摘要：# ###深拷贝和 浅拷贝 copy'''a = 19b = aa = 20print(b) lst = [1,2,3]lst2 = lstlst.append(4)print(lst2)''' # (1) 浅拷贝 (只能拷贝最外层一级,其它层级沿用以前的数据)lst = [1,2,3]# 方法一: 阅读全文