Reverse an Integer

EasyPython

Problem

Reverse an integer in a programming language of your choice. Implement reverse_integer(x) to return the digits of integer x in reverse order, preserving its sign. For example, 123 returns 321, -456 returns -654, and 1200 returns 21; assume x is a valid integer.

Constraints

x is an integer
The result uses standard integer representation
The sign of x must be preserved
Leading zeros in the reversed result are discarded

Function Signature

def reverse_integer(x):

CodePython 3

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