为什么没人用Python???

kali

用Python解

def reverse_integer(N):
    if N == 0:
        return 0
    
    sign = -1 if N < 0 else 1
    n = abs(N)
    rev = 0
    
    while n != 0:
        rev = rev * 10 + n % 10
        n = n // 10
    
    return rev * sign

print(reverse_integer(int(input())))

结束