Created
August 22, 2017 19:56
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| pairs = {")":"(","}":"{","]":"["} | |
| stack = [] | |
| x = raw_input() | |
| balanced = True | |
| for i in x: | |
| if i in pairs.values(): | |
| stack.append(i) | |
| else: | |
| top = stack.pop() | |
| if top == pairs[i]: | |
| continue | |
| else: | |
| balanced = False | |
| break |
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