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stack test

Python

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Files
  • main.py
main.py
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class Stack:
     def __init__(self):
         self.items = []

     def isEmpty(self):
         return 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 size(self):
         return len(self.items)

s = Stack()

print(s.isEmpty())
s.push(47)
s.push(11)
s.pop()
s.pop()
s.push(3)
s.push(19)
print(s.peek())