657. Judge Route Circle python__python

657. Judge Route Circle Description Hints Submissions Discuss Solution Pick One

Initially, there is a Robot at position (0, 0). Given a sequence of its moves, judge if this robot makes a circle, which means it moves back to the original place.

The move sequence is represented by a string. And each move is represent by a character. The valid robot moves are R (Right), L(Left), U (Up) and D (down). The output should be true or false representing whether the robot makes a circle.

Example 1:

Input: "UD"Output: true

Example 2:

Input: "LL"Output: false

class Solution(object):    def judgeCircle(self, moves):        """        :type moves: str        :rtype: bool        """        return moves.count('L')==moves.count('R') and moves.count('U')==moves.count('D')