Reverseint
def reverse_int(x):
if x < 0:
x = x * -1
isNeg = True
else:
isNeg = False
string = str(x)
result = int(string[::-1]) if not isNeg else (-1 * int(string[::-1]))
return result if (-2 ** 31 <= result <= 2 ** 31 - 1) else 0
if __name__ == "__main__":
print(reverse_int(110))
print(reverse_int(900))
print(reverse_int(789090))
print(reverse_int(-100))
print(reverse_int(-1))
print(reverse_int(-123))
assert (reverse_int(1534236469) == 0)
Updated on 2020-03-19