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#!/bin/env python
"""
#===============================================================================
#
# FILE: ch-1.py
#
# USAGE: ./ch-1.py
#
# DESCRIPTION: Perl Weekly Challenge #84
# https://perlweeklychallenge.org/blog/perl-weekly-challenge-084/
# Task 1 - Reverse Integer
#
# AUTHOR: Lubos Kolouch
# CREATED: 10/28/2020 08:48:14 PM
#===============================================================================
"""
def get_reverse_int(what: int):
""" Reverse the int """
# sanitize the input to int
what = int(what)
sign = '-' if what < 0 else ''
rever = str(abs(what))[::-1]
# 33 because it starts with 0b
if len(bin(int(rever))) > 33:
return 0
return int(sign+rever)
assert get_reverse_int(1234) == 4321
assert get_reverse_int(-1234) == -4321
assert get_reverse_int(1_231_230_512) == 0
assert get_reverse_int(1.000) == 1
assert get_reverse_int(1e+3) == 1
assert get_reverse_int(7_463_847_412) == 2_147_483_647
assert get_reverse_int(2_147_483_648) == 0
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