一、通过for循环直接遍历
user1 = ["宋江","林冲","卢俊义","吴用"] for user in user1: print(user)

二、通过range函数
user1 = ["宋江","林冲","卢俊义","吴用"] for i in range(len(user1)): print(i, user1[i])

三、通过iter迭代器
user1 = ["宋江","林冲","卢俊义","吴用"] for x in iter(user1): print(x)

四、通过enumerate函数
user1 = ["宋江","林冲","卢俊义","吴用"] for col,field in enumerate(user1): print(col,field)

五、准备睡觉了

