python学习===复制list
"""将一个列表的数据复制到另一个列表中。""" """ 使用[:] """ a = [1,2,3] b = a[:] print b # 将a的数据赋值给b 当a的数值发生改变时b不变 [1, 2, 3] a = [1,2,3] b = a print b # 将a的地址赋值给b 当a的数值发生改变时b随之改变 [1, 2, 3] a = [1,2,3] b = a[:] print b a[0] = 0 print a # 将a的数据赋值给b 当a的数值发生改变时b不变 print b [1, 2, 3] [0, 2, 3] [1, 2, 3] a = [1,2,3] b = a print b a[0] = 0 print a # 将a的地址赋值给b 当a的数值发生改变时b随之改变 print b