Created
February 18, 2020 23:07
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| class Stack(object): | |
| def __init__(self): | |
| self.items = [] | |
| def push(self,item): | |
| self.items.append(item) | |
| def pop(self): | |
| return self.items.pop() | |
| def peek(self): | |
| return self.items[len(self.items) -1] | |
| def isEmpty(self): | |
| return self.items == [] | |
| def size(self): | |
| return len(self.items) |
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