m = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(m)
p = m
# 思考p = m[:]
print(p)
print(id(m))  # 查看m地址
print(id(p))  # 查看p地址
p.append(11)  # 添加一个元素
print(m)
print(p)