压完三个之后有几个
运行下面这段程序:
class Stack:
def __init__(self):
self.items = []
def push(self, x):
self.items.append(x)
s = Stack()
for x in ["阿岚", "小满", "阿泰"]:
s.push(x)
print(len(s.items))
运行下面这段程序:
class Stack:
def __init__(self):
self.items = []
def push(self, x):
self.items.append(x)
s = Stack()
for x in ["阿岚", "小满", "阿泰"]:
s.push(x)
print(len(s.items))
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