1 parent a8cfc14 commit 2e2fadfCopy full SHA for 2e2fadf
1 file changed
data_structures/stacks/balanced_parentheses.py
@@ -12,8 +12,10 @@ def balanced_parentheses(parentheses):
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if parenthesis == '(':
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stack.push(parenthesis)
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elif parenthesis == ')':
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+ if stack.is_empty():
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+ return False
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stack.pop()
- return not stack.is_empty()
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+ return stack.is_empty()
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if __name__ == '__main__':
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