Buggy python submission (verdict: Time Limit Exceeded):
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = [[],[],[],[],[],[],[],[],[],[]]
ans = 0
for i in range(n):
    s = input()
    if s not in get[len(s)-1]:
        get[len(s)-1].append(s)
        ans += 1
print(ans)

Fixed submission:
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
    s = input()
    get.append(s)
ss = set(get)
print(len(ss))

Buggy python submission (verdict: Time Limit Exceeded):
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = [[],[],[],[],[],[],[],[],[],[]]
for i in range(n):
    s = input()
    if s not in get[len(s)-1]:
        get[len(s)-1].append(s)

ss = 0
for cont in get:
    ss += len(cont)
print(ss)

Fixed submission:
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
    s = input()
    get.append(s)
ss = set(get)
print(len(ss))

Buggy python submission (verdict: Runtime Error):
import sys
input = lambda: sys.stdin.readline().rstrip()
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))

n = aint()
get = [[],[],[],[],[],[],[],[],[],[]]
for i in range(n):
    s = input()
    if s not in get[len(s)-1]:
        get[len(s)-1].append(s)

ss = 0
for cont in get:
    ss += sum(cont)
print(ss)

Fixed submission:
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
    s = input()
    get.append(s)
ss = set(get)
print(len(ss))

Buggy python submission (verdict: Time Limit Exceeded):
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False
 
n = aint()
get = []
for i in range(n):
  s = input()
  if s not in get:
    get.append(s)
print(len(get))

Fixed submission:
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
    s = input()
    get.append(s)
ss = set(get)
print(len(ss))

Buggy python submission (verdict: Runtime Error):
port sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
  s = input()
  if s not in get:
    get.append(s)
print(len(get))

Fixed submission:
import sys
import math
from collections import deque
input = lambda: sys.stdin.readline().rstrip()
Yes = lambda boolean: print('Yes') if boolean else print('No')
YES = lambda boolean: print('YES') if boolean else print('NO')
aint = lambda: int(input())
ints = lambda: list(map(int, input().split()))
is_even = lambda x: True if x%2==0 else False

n = aint()
get = []
for i in range(n):
    s = input()
    get.append(s)
ss = set(get)
print(len(ss))