Valid Parentheses Python Solution - LeetCode #20

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This is the Python solution to Valid Parentheses LeetCode problem.

Solution:

#Python #LeetCode #Coding #Programming #Algorithm #DataStructures #TechTutorial #CodeTutorial #ProblemSolving #SoftwareDevelopment #ComputerScience #CodeSnippet #ProgrammingTips #CodeChallenge #TechnicalInterview #AlgorithmDesign #SoftwareEngineering #LearnProgramming #CodingCommunity #CodeWalkthrough
  1. Professor Oakes
  2. Python
  3. LeetCode
  4. Coding
  5. Programming
  6. Algorithm
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Комментарии
Автор

Your video helped me a lot as I got cleared the concept in this video alone than others

tamilarasanpandiyan
Автор

here is the code:
stack =[]
mapping ={')':'(', ']':'[', '}':'{'}

for c in s:
if c in mapping:

if stack and stack[-1] == mapping[c]:
stack.pop()
else:
return False
else:
stack.append(c)
return not stack

tamilarasanpandiyan