22 lines
No EOL
427 B
Python
22 lines
No EOL
427 B
Python
class Stack:
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def __init__(self):
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self.items = []
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def isEmpty(self):
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return self.items == []
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def push(self, item):
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self.items.append(item)
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def pop(self):
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return self.items.pop()
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def peek(self):
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if (self.isEmpty):
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return None
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return self.items[len(self.items)-1]
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def size(self):
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return len(self.items)
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hello = 'hello' |