"""Leetcode 231. Power of Two
Easy

URL: https://leetcode.com/problems/power-of-two/

Given an integer, write a function to determine if it is a power of two.

Example 1:

Input: 1
Output: true 
Explanation: 20 = 1
Example 2:

Input: 16
Output: true
Explanation: 24 = 16
Example 3:

Input: 218
Output: false
"""

class Solution(object):
    def isPowerOfTwo(self, n):
        """
        :type n: int
        :rtype: bool
        """
        pass


def main():
    pass


if __name__ == '__main__':
    main()

Add lc0231_power_of_two.py