32 lines
657 B
Python
32 lines
657 B
Python
def isValid(s):
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"""
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:type s: str
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:rtype: bool
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"""
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pervious = ""
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openBracket = ['(', '{', '[']
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bracketPairs = ['()', '{}', '[]']
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pairs = None
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for x in s:
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if x in openBracket:
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previous = x
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else:
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# print(previous+x)
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if (previous+x) in bracketPairs:
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pairs = True
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else:
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return False
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return pairs
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print(isValid("()"))
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print(isValid("()[]{}"))
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print(isValid("(]"))
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print(isValid("([)]"))
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print(isValid("{[]}"))
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print(isValid("{[]}"))
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print(isValid("{[]}"))
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print(isValid("{[]}"))
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print(isValid("{[]}"))
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print(isValid("{[]}"))
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