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| """
栈
Copyright conghaoyuan
"""
class Stack:
def __init__(self) -> None:
self.stack = []
def print_stack(self):
print(self.stack)
def push(self, data):
self.stack.append(data)
def pop(self):
if len(self.stack) == 0:
print("stack empty")
return
return self.stack.pop()
if __name__ == '__main__':
stack = Stack()
stack.push(1)
stack.push(2)
stack.push(3)
stack.push(4)
stack.push(5)
stack.print_stack()
print(stack.pop())
print(stack.pop())
stack.print_stack()
|
