Updated isEmpty function definition. #31
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'return len(self.stack) == []' is a problematic definition. it should be either 'return len(self.stack) == 0' or 'self.stack == []'
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OmkarPathak
approved these changes
Nov 3, 2019
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'return len(self.stack) == []' is a problematic definition. it should be either 'return len(self.stack) == 0' or 'self.stack == []'