Checking balanced parantheses using Stack

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Omkar Pathak 2017-07-16 11:26:11 +05:30
parent ce3e91a420
commit 2af624ff01

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# Author: OMKAR PATHAK
import Stack
def parseParenthesis(string):
balanced = 1
index = 0
myStack = Stack.Stack(len(string))
while (index < len(string)) and (balanced == 1):
check = string[index]
if check == '(':
myStack.push(check)
else:
if myStack.isEmpty():
balanced = 0
else:
myStack.pop()
index += 1
if balanced == 1 and myStack.isEmpty():
return True
else:
return False
if __name__ == '__main__':
print(parseParenthesis('((()))')) # True
print(parseParenthesis('((())')) # False