请问以下代码为什么编译出错,如何修改
def new_mutiple(A,B,n):
C=[]
for i in range(n):
c=[]
for j in range(n):
c1=[]
for k in range(n):
c1.append(A[i][k]+B[k][j])
c.append(min(c1))
C.append(c)
return C
n=int(input())
m=[]
for i in range(2):
m1=[]
for j in range(n):
m2=input()
m2=[eval(i) for i in m2.split(' ')]
m1.append(m2)
m.append(m1)
A=m[0]
B=m[1]
C=new_mutiple(A,B,n)
for row in C[0:n-1]:
for j in range(len(row)-1):
print(row[j],end=' ')
print(row[-1])
for i in range(len(C[-1])-1):
print(C[-1][i],end=' ')
print(C[-1][-1],end='')
exit(0)
# [print(j,end=' ') for j in row]
# print()