Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in range(N):
    bfrv.append(i.split())
for i in bfrv:
    if i[0]==1 and i[1]==1:
        _1_1[int(i[2])-1]+=int(i[3])
    if i[0]==1 and i[1]==2:
        _1_2[int(i[2])-1]+=int(i[3])
    if i[0]==1 and i[1]==3:
        _1_3[int(i[2])-1]+=int(i[3])
    if i[0]==2 and i[1]==1:
        _2_1[int(i[2])-1]+=int(i[3])
    if i[0]==2 and i[1]==2:
        _2_2[int(i[2])-1]+=int(i[3])
    if i[0]==2 and i[1]==3:
        _2_3[int(i[2])-1]+=int(i[3])
    if i[0]==3 and i[1]==1:
        _3_1[int(i[2])-1]+=int(i[3])
    if i[0]==3 and i[1]==2:
        _3_2[int(i[2])-1]+=int(i[3])
    if i[0]==3 and i[1]==3:
        _3_3[int(i[2])-1]+=int(i[3])
print(*_1_1)
print(*_1_2)
print(*_1_3)
print("#"*20)
print(*_2_1)
print(*_2_2)
print(*_2_3)
print("#"*20)
print(*_3_1)
print(*_3_2)
print(*_3_3)



Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(*_1_1)
print(*_1_2)
print(*_1_3)
print("#"*20)
print(*_2_1)
print(*_2_2)
print(*_2_3)
print("#"*20)
print(*_3_1)
print(*_3_2)
print(*_3_3)
print("#"*20)
print(*_4_1)
print(*_4_2)
print(*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[2])
    if int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(*_1_1)
print(*_1_2)
print(*_1_3)
print("#"*20)
print(*_2_1)
print(*_2_2)
print(*_2_3)
print("#"*20)
print(*_3_1)
print(*_3_2)
print(*_3_3)
print("#"*20)
print(*_4_1)
print(*_4_2)
print(*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    if int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(*_1_1)
print(*_1_2)
print(*_1_3)
print("#"*20)
print(*_2_1)
print(*_2_2)
print(*_2_3)
print("#"*20)
print(*_3_1)
print(*_3_2)
print(*_3_3)
print("#"*20)
print(*_4_1)
print(*_4_2)
print(*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(*_1_1)
print(*_1_2)
print(*_1_3)
print("#"*20)
print(*_2_1)
print(*_2_2)
print(*_2_3)
print("#"*20)
print(*_3_1)
print(*_3_2)
print(*_3_3)
print("#"*20)
print(*_4_1)
print(*_4_2)
print(*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(*_1_1)



Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print(" "+*_1_1)
print(" +"*_1_2)
print(" "+*_1_3)
print(" "+"#"*20)
print(" "+*_2_1)
print(" "+*_2_2)
print(" "+*_2_3)
print(" "+"#"*20)
print(" "+*_3_1)
print(" "+*_3_2)
print(" "+*_3_3)
print(" "+"#"*20)
print(" "+*_4_1)
print(" "+*_4_2)
print(" "+*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)

Buggy python submission (verdict: Runtime Error):
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
pritn("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)


Fixed submission:
_1_1=[]
_1_2=[]
_1_3=[]
_2_1=[]
_2_2=[]
_2_3=[]
_3_1=[]
_3_2=[]
_3_3=[]
_4_1=[]
_4_2=[]
_4_3=[]
for i in range(10):
    _1_1.append(0)
    _1_2.append(0)
    _1_3.append(0)
    _2_1.append(0)
    _2_2.append(0)
    _2_3.append(0)
    _3_1.append(0)
    _3_2.append(0)
    _3_3.append(0)
    _4_1.append(0)
    _4_2.append(0)
    _4_3.append(0)
N=int(input())
s=[input() for i in range(N)]
bfrv=[]
for i in s:
    bfrv.append(i.split())
for i in bfrv:
    if int(i[0])==1 and int(i[1])==1:
        _1_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==2:
        _1_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==1 and int(i[1])==3:
        _1_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==1:
        _2_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==2:
        _2_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==2 and int(i[1])==3:
        _2_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==1:
        _3_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==2:
        _3_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==3 and int(i[1])==3:
        _3_3[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==1:
        _4_1[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==2:
        _4_2[int(i[2])-1]+=int(i[3])
    elif int(i[0])==4 and int(i[1])==3:
        _4_3[int(i[2])-1]+=int(i[3])
print("",*_1_1)
print("",*_1_2)
print("",*_1_3)
print("#"*20)
print("",*_2_1)
print("",*_2_2)
print("",*_2_3)
print("#"*20)
print("",*_3_1)
print("",*_3_2)
print("",*_3_3)
print("#"*20)
print("",*_4_1)
print("",*_4_2)
print("",*_4_3)