2020/1/22leetcode05

def reverse_force(self,x:int)->int:
    if -10<x<10:
        return x
    str_x=str(x)
    if str_x[0]!="-":
        str_x=str_x[::-1]
        x=int(str_x)
    else:
        str_x=str_x[:0:-1]
        x=int(str_x)
        x=-x
    return x if -2147483648<x<2147483647 else 0