qyliang/CodeNanoFix huggingface dataset:
Buggy code:
n,l=map(int,input().split())
s=[[]]
for i in range(n):
  dumy=inout()
  s.append(dumy)
n_s=sorted(s)

b=''
for i in range(n):
  b+=n_s[i]

print(b)

Fixed code:
n,l=map(int,input().split())
s=[]
for i in range(n):
  dumy=input()
  s.append(dumy)
n_s=sorted(s)

b=''
for i in range(n):
  b+=n_s[i]

print(b)
Buggy code:
N, L = map(int, input().split())
S = []
for _ in range(N):
    S.append(input())

S.sort()
print()''.join(S))


Fixed code:
N, L = map(int, input().split())
S = []
for _ in range(N):
    S.append(input())

S.sort()
print(''.join(S))
Buggy code:
import sys

n , l = map(int,input().split())
word = []
for i in range(n):
  word.append(input())

sorted(word)
for i in range(n):
  sys.stdout.write(word[i])

print()



Fixed code:
import sys

n , l = map(int,input().split())
word = []
for i in range(n):
  word.append(input())

word.sort()

for i in range(n):
  sys.stdout.write(word[i])

print()
Buggy code:
a,b=map(int,input().split())
n=sorted([input() for i in range(b)])
print(*s,sep='')


Fixed code:
a,b=map(int,input().split())
n=sorted([input() for i in range(a)])
print(*n,sep='')
Buggy code:
ans = ""

def get_input():
    flag = 1
    cnt = 0
    while True:
        try:
            if flag == 1:
                N,L = input().split()
                flag = 0
                continue
            else:
                a = input()
                yield ''.join(a)
                cnt += 1
                if cnt >= int(N):
                    break
        except EOFError:
            break

if __name__ == "__main__":
    array = list(get_input())
    array.sort()
    print(array)

    for i in range(0,len(array)):
        ans += array[i]

    print(ans)


Fixed code:
ans = ""

def get_input():
    flag = 1
    cnt = 0
    while True:
        if flag == 1:
            N,L = input().split()
            flag = 0
            continue
        else:
            a = input()
            yield ''.join(a)
            cnt += 1
            if cnt >= int(N):
                break

if __name__ == "__main__":
    array = list(get_input())
    array.sort()

    for i in range(0,len(array)):
        ans += array[i]

    print(ans)
Buggy code:
n, l = map(int, input().split())
s = sorted([map(int, input().split()) for _ in range(n)])
print(*s, sep='')

Fixed code:
n, l = map(int, input().split())
s = sorted([input() for _ in range(n)])
print(*s, sep='')
Buggy code:
n,l=map(int,input().split)
s=[input() for _ in range (n)]

s.sort()

ans=s[0]
for i in range (1,n):
  ans+=s[i]
  
print(ans)

Fixed code:
n,l=map(int,input().split())
s=[input() for _ in range (n)]

s.sort()

ans=s[0]
for i in range (1,n):
  ans+=s[i]
  
print(ans)
Buggy code:
n, l = map(int, input().split())

list = []
for _ in range(n):
    list.append(input())

list.sort()
str = ""
for s in list:
    str += s

print(s)

Fixed code:
n, l = map(int, input().split())

list = []
for _ in range(n):
    list.append(input())

list.sort()
str = ""
for s in list:
    str += s

print(str)
Buggy code:
N,L=map(int,input().split())
a=[]
for i in range(N):
    a.append(input())
a.sort
s=""
for i in range(len(a)):
    s=s+a[i]
print(s)

Fixed code:
N,L=map(int,input().split())
a=[]
for i in range(N):
    a.append(input())
a.sort()
s=""
for i in range(len(a)):
    s=s+a[i]
print(s)
Buggy code:
N, L = map(int, input().split())
s_list = []
for i in range(int(N)):
    s_list.append((input()))

s_list = sorted(s_list)

answer = ','.join(s_list)
print(answer)

Fixed code:
N, L = map(int, input().split())
s_list = []
for i in range(int(N)):
    s_list.append((input()))

s_list = sorted(s_list)

answer = ''.join(s_list)
print(answer)
Buggy code:
N, M = map(int(), input().split())
Mylist = []
for i in range(M):
  S = input()
  Mylist.append(S)

ANSlist = sorted(Mylist)
ANS = ''.join(ANSlist)
print(ANS)
  

Fixed code:
N, M = map(int, input().split())
Mylist = []
for i in range(N):
  S = input()
  Mylist.append(S)
 
ANSlist = sorted(Mylist)
ANS = ''.join(ANSlist)
print(ANS)
Buggy code:
n, l = map(int, input(),split())
s = sorted([input for i in range(n)])
print("".join(s))

Fixed code:
n, k = map(int, input().split())
l = [input() for i in range(n)]
print(''.join(sorted(l)))
Buggy code:
n, l = map(int, input().split())
ll = []
for i in range(n):
    ll.append(input())
print(ll)
ll.sort()
print(ll)
ans = ""
for j in ll:
    ans += j

print(ans)

Fixed code:
n, l = map(int, input().split())
ll = []
for i in range(n):
    ll.append(input())
ll.sort()
ans = ""
for j in ll:
    ans += j

print(ans)
Buggy code:
N,L = map(int,input().split())

for i in range(N):
  S.append(input())
S.sort()
ans="".join(S)
print(ans)


Fixed code:
N,L = map(int,input().split())
S=[]
for i in range(N):
  S.append(input())
S.sort()
ans="".join(S)
print(ans)
Buggy code:
# -*- coding: UTF-8 -*-
L, N = map(int, input().split())
a = list(input() for i in range(N))
a.sort()
b = " ".join(a)
print(b)

Fixed code:
# -*- coding: UTF-8 -*-
N, L = map(int, input().split())
a = [input() for i in range(N)]
a.sort()
b = "".join(a)
print(b)
Buggy code:
n,l = list(map(int, input().split(" ")))
s = []
for i in range(n):
  s.append(input())
sort(s)
print("".join(s))

Fixed code:
n,l = list(map(int, input().split(" ")))
s = []
for i in range(n):
  s.append(input())
s.sort()
print("".join(s))
Buggy code:
N,L=map(int,input().split())
S=[]
ans=""
for _ in range(N):
    S.append(input())
SS=sorted(S)
for _ in range(N):
    ans+=S[0]
    S.pop(0)
    
print(ans)

Fixed code:
N,L=map(int,input().split())
S=[]
ans=""
for _ in range(N):
    S.append(input())
SS=sorted(S)
for _ in range(N):
    ans+=SS[0]
    SS.pop(0)
    
print(ans)
Buggy code:
n,l=map(int,input().split())
s=[0]*n
res=''
for i in range(n):
  s.append(input())
s.sort()
for k in range(n):
  res+=s[k]
print(res)

Fixed code:
n,l=map(int,input().split())
s=[]
res=''
for i in range(n):
  s.append(input())
s.sort()
for k in range(n):
  res+=s[k]
print(res)
Buggy code:
n,l = map(int,input(),split())
s = [input() for _ in range(n)]
s.sort()
for k in s:
  print(k, end ="")

Fixed code:
n,l = map(int,input().split())
s = [input() for i in range(n)]
s.sort()
for k in s:
  print(k, end ="")
Buggy code:
n, l = map(int, input().split())
s = [input() for i in range(n)]
s.sort()
"".join(s)

Fixed code:
n, l = map(int, input().split())
s = [input() for i in range(n)]
s.sort()
print("".join(s))
Buggy code:
N,L = map(int,input().split())
S = [input() for i in range(N)]
print("".join(S.sort()))

Fixed code:
N,L = map(int,input().split())
S = [input() for i in range(N)]
S.sort()
print("".join(S))
Buggy code:
l,n=map(int,input().split())
li=[input() for i in range(n)]
ans=sorted(li)
"""
for st in li :
  s += st
print(s)
"""
print(*s,sep="")

Fixed code:
n,l=map(int,input().split())
li=[input() for i in range(n)]
ans=sorted(li)
"""
for st in li :
  s += st
print(s)
"""
print(*ans,sep="")
Buggy code:
# -*- coding : utf-8 -*-

n,l = map(int, input().split())

L = map(int, [input() for i in range(n)])

word = ""
for i in len(L):
  L.sort()
  word = word + L[0]
  L = L.remove(L[0])

print(word)

Fixed code:
# -*- coding : utf-8 -*-

n,l = map(int, input().split())

L = list([input() for i in range(n)])
L.sort()
word = ""

for i in range(len(L)):
  word = word + L[i]

print(word)
Buggy code:
N,L = map(int,input().split())
s = sortedf([input() for i in range(N)])
print("".join(s))

Fixed code:
N,L = map(int,input().split())
s = sorted([input() for i in range(N)])
print("".join(s))
Buggy code:
N, L = map(int, input().split())
input_line1 = [input() for i in range(N)]
input_line2 = []
for i in range(N):
 	input_line2.append(min(input_line1))
    input_line1.remove(min(input_line1))
print("".join(input_line2))
	

Fixed code:
N, L = map(int, input().split())
input_line1 = [input() for i in range(N)]
input_line2 = []
for i in range(N):
	input_line2.append(min(input_line1))
	input_line1.remove(min(input_line1))
print("".join(input_line2))
Buggy code:
def getlist():
    return list(map(int, input().split()))
  
a,b = getList()
lis = []
for i in range(a):
  lis.append(input().strip())
  
lis.sort()
print("".join(lis))

Fixed code:
def getlist():
    return list(map(int, input().split()))
  
a,b = getlist()
lis = []
for i in range(a):
  lis.append(input().strip())
  
lis.sort()
print("".join(lis))
Buggy code:
N,L = map(int, input().split())
S = list((input() for i in range(N))
S = sorted(S)
print(''.join(S))

Fixed code:
N,L = map(int, input().split())
S = list(input() for i in range(N))
S = sorted(S)
print(''.join(S))
Buggy code:
N, L = map(int, input().split())

A    = sorted([input for _ in range(N)])

print(*A, sep="")

Fixed code:
N, L = map(int, input().split())

A    = sorted([input() for _ in range(N)])

print(*A, sep="")
Buggy code:
N, L = [int(i) for i in input().split()]
s = []
for i in range(N):
    s.append(input())

sorted(s)
concat = ''.join(s)
print(concat)

Fixed code:
N, L = [int(i) for i in input().split()]
s = []
for i in range(N):
    s.append(input())

# print(s)
s_sort = sorted(s)
concat = ''.join(s_sort)
print(concat)
Buggy code:
N,L=map(int,input().split())
S=sorted([input() for i in range(N)])
print(*S,end="")

Fixed code:
N,L=map(int,input().split())
S=sorted([input() for i in range(N)])
print(*S,sep="")
Buggy code:
N,L=map(int,input().split())
s=[]

for i in range(N):
  s.append(input())

s.sort()
print(s)

result=""
for i in range(N):
	result+=s[i]
print(result)

Fixed code:
N,L=map(int,input().split())
s=[]

for i in range(N):
  s.append(input())

s.sort()

result=""
for i in range(N):
	result+=s[i]
print(result)
Buggy code:
N,L = map(int,input().split())
M = []
for i in range(N):
    M.append(input())
    
M = sorted(input().split())

print(''.join(L))

Fixed code:
N,L = map(int,input().split())
M = []
for i in range(N):
    M.append(input())

M = sorted(M)

print(''.join(M))
Buggy code:
n,l=input().split()
lists=[]
for i in range n:
  lists.append(input())
lists.sort()
li=','.join(lists)
print(li)

Fixed code:
n,l=input().split()
lists=[]
n=int(n)
for i in range (0,n):
  lists.append(input())
lists.sort()
li=''.join(lists)
print(li)
Buggy code:
num_list = list(map(int, input().split()))
S = [input(i) for i in range(num_list[0])]
S2 = sorted(S)
print(*S2, sep='')

Fixed code:
num_list = list(map(int, input().split()))
S = [input() for i in range(num_list[0])]
S2 = sorted(S)
print(*S2, sep='')
Buggy code:
n,l=map(int, input())
s=[list(input()) for i in range(n)]
s.sort()
for i in s:
    print(i,end="")
print()

Fixed code:
n, l = map(int, input().split())
s = [input() for i in range(n)]
s.sort()
for i in s:
  print(i, end='')
print()
Buggy code:
n,l=map(int,input().split())
s=sorted([input() for i in range(n)])
print(*n,sep="")

Fixed code:
n,l =map(int,input().split())
s=sorted([input() for i in range(n)])
print(*s,sep='')
Buggy code:
N, L = map(int, input().split())
A = map(int, list(input() for _ in range(N)))
B = sorted(A)

print(''.join(B))

Fixed code:
N, L = map(int, input().split())
A = map(str,list(input() for _ in range(N)))
B = sorted(A)

print(''.join(B))
Buggy code:
n, l = map(int, input().split())
words = []
for i in range(n):
  words.append(input())
print(''.join(words.sort()))

Fixed code:
n, l = map(int, input().split())
words = []
for i in range(n):
  words.append(input())
print(''.join(sorted(words)))
Buggy code:
N, L = map(int, input().split())
S = []
for _ in range(H):
    S.append(input())

S1 = sorted(S)

S2 ="".join(S1)

print(S2)

Fixed code:
N, L = map(int, input().split())
S = []
for _ in range(N):
    S.append(input())

S1 = sorted(S)

S2 ="".join(S1)

print(S2)
Buggy code:
n,l=map(int,input().split())
print("".join(sorted[input() for i in range(n)]))

Fixed code:
n,_=map(int,input().split())
print("".join(sorted([input() for i in range(n)])))
Buggy code:
N = int(input())
L_num = int(input())
list = []

for i in range(1,N+1,1):
    list.append(input())

list.sort(reverse = False)

ans = ""
for i in range(1,N+1,1):
    ans = ans + list[0]
    list.pop(0)

print(ans)


Fixed code:
N = input().split()
list = []

N = int(N[0])
for i in range(1,N+1,1):
    list.append(input())

list.sort(reverse = False)

ans = ""
for i in range(1,N+1,1):
    ans = ans + list[0]
    list.pop(0)

print(ans)
Buggy code:
N,L=[int(x) for x i input().split()]
s=[]
for _ in range(N):
  s.append(input())
s.sort()
print("".join(s))

Fixed code:
N,L=[int(x) for x in input().split()]
s=[]
for _ in range(N):
  s.append(input())
s.sort()
print("".join(s))
Buggy code:
n,l=map(int,input().split())

k=[]

for i in range(n):
  s=input()
  k.append(s)

x=sort(k)
z="".join(x)

print(z)
  

Fixed code:
n,l=map(int,input().split())

k=[]

for i in range(n):
  s=input()
  k.append(s)

x=sorted(k)
z="".join(x)

print(z)
Buggy code:
N = int(input().split()[0])
words = [input().rstrip() for i in range(N)]
print(words)
print("".join(sorted(words)))

Fixed code:
N = int(input().split()[0])
words = [input().strip() for i in range(N)]
print("".join(sorted(words)))
Buggy code:
n, l = map(int,input().split())

s = [input() for _ in range(n)]
i = sorted(s)
print(''.join(i)

Fixed code:
n, l = map(int, input().split())

print(''.join(sorted([input() for i in range(n)])))
Buggy code:
N , L= map(int,input().split())
lst = []
Str = ''
for i in range(N):
    lst.append(input())
lst.sort()
for j in range(N):
    Str += Slst[j]
print(Str)


Fixed code:
N , L= map(int,input().split())
lst = []
for i in range(N):
    lst.append(input())
lst.sort()
Str = ''
for j in range(N):
    Str += lst[j]
print(Str)
Buggy code:
n,l=map(int,input().split())
a=[]
for i in range(n):
    a.append(input())
sorted(a)
s=""
for j in a:
    s+=j
print(s)


Fixed code:
n,l=map(int,input().split())
a=[]
for i in range(n):
    a.append(input())
b=sorted(a)
s=""
for j in b:
    s+=j
print(s)
Buggy code:
l, n = map(int, input().split())
a = []
for i in range(n):
  a.append(input())
a.sort()
b = ""
for i in a:
  b += a
print(b)

Fixed code:
n, l = map(int, input().split())
a = []
for i in range(n):
  a.append(input())
a.sort()
b = ""
for i in a:
  b += i
print(b)
Buggy code:
n,l=map(int,input())
s=[]
for i in range(n):
	s.append(i)
print("",join(sorted(s)))

Fixed code:
n, l = map(int, input().split())
s = []
for i in range(n):
    s.append(input())
print(''.join(sorted(s)))
Buggy code:
n, l = map(int, input().split())
s = [[i for i in input()] for j in range(n)]

print(s)
s.sort()
print(s)

for i in range(n):
    s[i] = "".join(s[i])
s = "".join(s)

print(s)


Fixed code:
n, l = map(int, input().split())
s = [[i for i in input()] for j in range(n)]

#print(s)
s.sort()
#print(s)

for i in range(n):
    s[i] = "".join(s[i])
s = "".join(s)

print(s)
Buggy code:
n, l = map (int, input().split())
s = sorted([input() for i in ratnge(n)])
print(*s, sep='')

Fixed code:
n, l = map (int, input().split())
s = sorted([input() for i in range(n)])
print(*s, sep='')
Buggy code:
first= input()
first = first.split()

N = int(firsst[0])
L =[]
for i in range(N)
  s = input()
  L.append(s)
  
L.sort()
for i in L:
  print(i,end="")



Fixed code:
first= input()
first = first.split()

N = int(first[0])
L =[]
for i in range(N):
  s = input()
  L.append(s)
  
L.sort()
for i in L:
  print(i,end="")
Buggy code:
n, l = map(int, input().split())
s_list = sorted([input() for i in range(n)])
mojiretu = ','.join(s_list)
print(mojiretu)

Fixed code:
n, l = map(int, input().split())
s_list = sorted([input() for i in range(n)])
mojiretu = ''.join(s_list)
print(mojiretu)
Buggy code:
N,L=map(int,input())
S=[input() for i in range(N)]
S.sort()
print(*S,sep="")


Fixed code:
N,L=map(int,input().split())
S=[input() for i in range(N)]
S.sort()
print(*S,sep="")
Buggy code:
Firstline = input()
Firstline = Firstline.split()

List = []
for i in int(Firstline[0]):
  List.append(input())

List.sort()
s = ""
for i in List:
  s += i

print(s)

Fixed code:
Firstline = input()
Firstline = Firstline.split()

List = []
for i in range(int(Firstline[0])):
  List.append(input())

List.sort()
s = ""
for i in List:
  s += i

print(s)
Buggy code:
import sys

if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
    
N,L=map(int,input().split())

list=soeted([input() for i in range(N)])
print(*list,sep="")

Fixed code:
import sys

if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
    
N,L=map(int,input().split())

list=sorted([input() for i in range(N)])
print(*list,sep="")
Buggy code:
N, L = list(map(int, input().split()))

def solve():
    print(N, L)
    strs = []
    for _ in range(N):
        strs.append(input())

    strs.sort()

    return "".join(strs)

print(solve())


Fixed code:
N, L = list(map(int, input().split()))

def solve():
    strs = []
    for _ in range(N):
        strs.append(input())

    strs.sort()

    return "".join(strs)

print(solve())
Buggy code:
N,L = map(int, input().split())
string_list = [input() for i in range(N)]
string_list.sort()
print(''.join(string_list)


Fixed code:
N,L = map(int, input().split())
string_list = [input() for i in range(N)]
string_list.sort()
print(''.join(string_list))
Buggy code:
from sys import stdin
input = stdin.readline

L, N = map(int, input().split())
D = []

for i in range(N):
    D.append(input()

D.sort()

print(''.join(D))

Fixed code:
from sys import stdin
input = stdin.readline

N, L = map(int, input().split())
D = []

for i in range(N):
    D.append(input().strip())
D.sort()
print(''.join(D))
Buggy code:
a=input().split(" ")
list1=[]

for i in range(int(a[0])):
	b=input()
	list1.append(b)

list2=sorted(list1)

for j in range(int(a[0])+1):
	c=c+list2[j]

print(c)
	


Fixed code:
a=input().split(" ")
list1=[]
c=""


for i in range(int(a[0])):
	b=input()
	list1.append(b)

list2=sorted(list1)

for j in range(int(a[0])):
    c=c+list2[j]

print(c)
Buggy code:
num = list(map(int,input().split()))
word = [input for i in range(n[0])]
print(''.join(sorted(num)))

Fixed code:
num = list(map(int,input().split()))
word = [input() for i in range(num[0])]
print(''.join(sorted(word)))
Buggy code:
n = list(map(int,input().split()))
word = [input() for i in range(n[1])]
print(word)
print(''.join(sorted(word)))


Fixed code:
n = list(map(int,input().split()))
word = [input() for i in range(n[0])]
print(''.join(sorted(word)))
Buggy code:
n,l = map(int,input().split())

s = sorted([input() for i in range(n)])

print(*s,sep)

Fixed code:
n,l = map(int,input().split())

s = sorted([input() for i in range(n)])

print(*s,sep="")
Buggy code:
N, L =list(map(int, input().split()))
array = []
word = ""
for i in range(N):
    s = input()
    array.append(s)
print(array)
new_array = sorted(array)    
print(new_array)
for j in range(N):
    word += new_array[j]
print(word)

Fixed code:
N, L =list(map(int, input().split()))
array = []
word = ""
for i in range(N):
    s = input()
    array.append(s)
new_array = sorted(array)    
for j in range(N):
    word += new_array[j]
print(word)
Buggy code:
N, L = map(int, input().split())
S_i = [input() for i in range(N)]
s = sorted(S_i)
m = ""
for x in s:
    m += x
    print(m)

Fixed code:
N, L = map(int, input().split())
S_i = [input() for i in range(N)]
m = ""
for x in sorted(S_i):
    m += x
else:
    print(m)
Buggy code:
N, L = map(int, input().split())
S = [input() for i in range(N)]
print((''.join(S.sorted())))

Fixed code:
N, L = map(int, input().split())
bun = [input() for i in range(N)]
print(''.join(sorted(bun)))
Buggy code:
n, l = map(int, input().split())
list = []
for s in range(n-1):
  list.append(input())

s_list = sorted(list)
print(*s_list, sep='')

Fixed code:
n, l = map(int, input().split())
list = []
for s in range(n):
  list.append(input())
 
s_list = sorted(list)
print(*s_list, sep='')
Buggy code:
vn,l=map(int,input().split())
s=sorted([input() for i in range(n)])
print("".join(s))

Fixed code:
n,l = map(int,input().split())
s = [input() for i in range(n)]

s = sorted(s)
print("".join(s))
Buggy code:
n, l = map(int, input().split())
sList = []
for i in range(n):
    sList.append()
sList.sort()
print(''.join(sList))

Fixed code:
n, l = map(int, input().split())
sList = []
for i in range(n):
    sList.append(input())
sList.sort()
print(''.join(sList))
Buggy code:
n=int(input().split()[0])
l=[]
for i in range(n):
  l.append(input)
l.sort()
r=""
for i in l:
  r+=i
print(r)

Fixed code:

n=int(input().split()[0])
l=[]
for i in range(n):
  l.append(input())
l.sort()
r=""
for i in l:
  r+=i
print(r)
Buggy code:
num = input().split()
str = [input()]
strc = ''
flg = 0
res = ''
for i in range(int(num[0])-1):
#	print(1)
	strc = input()
	for j in range(len(str)):
		if str[j] < strc:
#			print(2)
			flg = 0
		else:
#			print(3)
			flg = j
	if flg == 0:
		str.append(strc)
	else:
		str.insert(j,strc)
for x in str:
	res += x
print(res)

Fixed code:
num = input().split()
str = [input()]
strc = ''
flg = 0
res = ''
for i in range(int(num[0])-1):
#	print(1)
	strc = input()
	for j in range(len(str)):
		if str[j] < strc:
#			print(2)
			flg = 0
		else:
#			print(3)
			flg = j
			break
		j += 1
	flg = -1
	if flg == 0:
		str.append(strc)
	else:
		str.insert(j,strc)
#	print(str)
for x in str:
	res += x
print(res)
Buggy code:
N, L = map(int, input().split())
Slist = list(input() for _ in range(N))
print(''.join(Slist.sort()))


Fixed code:
N, L = map(int, input().split())
Slist = list(input() for _ in range(N))
Slist.sort()
print(''.join(Slist))
Buggy code:
n, l = map(int, input().split())
s = list()

for _ in range(n):
  s.append(input())

print(''.join(s.sort()))


Fixed code:
n, l = map(int, input().split())
s = list()

for _ in range(n):
  s.append(input())
  
s.sort()
print(''.join(s))
Buggy code:
N,L=map(int,input().split())
List = []
for i in range (N):
  List.append(int(input()))
List.sort()
res = ""
for i in range(N):
  res+=List[i]
print(res)

Fixed code:
N,L=map(int,input().split())
List = []
for i in range (N):
  List.append(str(input()))
List.sort()
res = ""
for i in range(N):
  res+=List[i]
print(res)
Buggy code:
#ABC042.B
N,L = map(int,input().split())
s = [input()for_in range(N)]
s.sort()
ans=''
for i in range(N):
    ans += s[i]
print(ans)

Fixed code:
#ABC042.B
N,L = map(int,input().split())
s = [input()for _ in range(N)]
s.sort()
ans=''
for i in range(N):
    ans =ans +s[i]
print(ans)
Buggy code:
N,L = map(str,input().split())

words = list()
for i in range(N):
  words.append(input())
  
words = words.sort()

print(*words,sep ="")


Fixed code:
N,L = map(int,input().split())

words = list()
for i in range(N):
  words.append(input())
  
words.sort()

print(*words,sep ="")
Buggy code:
# -*- coding: utf-8 -*- 

number, length = map(int, input())
lst = []
for n in range(number):
    input = input()
    lst.append(input)

lst.sort()
moji = ""
for n in lst:
    moji += n
print(moji)

Fixed code:
# -*- coding: utf-8 -*- 


number, length = map(int, input().split())
lst = []
for n in range(number):
    s = input()
    #print(s)
    lst.append(s)
    #print(lst)

lst.sort()
moji = ""
for n in lst:
    moji += n
print(moji)
Buggy code:
N, L = map(int, input())
strings = [input() for _ in range(N)]
strings.sort()
print(''.join(strings))

Fixed code:
N, L = map(int, input().split())
strings = [input() for _ in range(N)]
strings.sort()
print(''.join(strings))
Buggy code:
N,L = map(int, input().split())
S = []
for i in range(N):
  S.append(input())
S.sort()
ans = ''
for i in range(N):
  ans += ans + S[i]
print(ans)


Fixed code:
N,L = map(int, input().split())
S = []
for i in range(N):
  S.append(input())
S.sort()
ans = ''
for i in range(N):
  ans += S[i]
print(ans)
Buggy code:
N, L = map(int, input().split())
S = []
for i in rangeN):
    S.append(input())
print(('').join(sorted(S)))


Fixed code:
N, L = map(int, input().split())

ans = []

for i in range(N):
    ans.append(input())

ans = sorted(ans)
print(''.join(ans))
Buggy code:
N, L = map(int,input().split(' '))
S = []
for i in range(N):
  S.append(i)
X = sorted(S)
print(''.join(X))

Fixed code:
N, L = map(int,input().split(' '))
S = []
for i in range(N):
  x = input()
  S.append(x)
X = sorted(S)
print(''.join(X))
Buggy code:
N, L = list(map(int, input().split()))
S = []
for i in range(N):
    S.extend(list(map(str, input().split())))

S = sorted(S)
print(S)


Fixed code:
N, L = list(map(int, input().split()))
S = []
for i in range(N):
    S.extend(list(map(str, input().split())))

S = ''.join(sorted(S))
print(S)