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Commit f6bd81a

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add 657.py
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‎657. Robot Return to Origin.py

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