[已解决]请问怎么将两个列表里的值全都转换为小写啊？

qmysg

current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
for new_userss in new_users:   
    if  new_userss.lower() in current_users:
        print("no")
    else:
        print("yes")

最佳答案

月排行榜 / 总排行榜

Twilight6

2020-5-15 11:44:36

你代码实际上换一个就够了 因为你第二个遍历时候 if 判断里面已经lower 另一个列表的

在你原来代码上进行更改了下

1. current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
   
2. new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
   
3. for i in range(len(current_users)):
   
4.     current_users[i] = current_users[i].lower()  # 把第 i 位置的换成小写重新赋值
   
5. for new_userss in new_users:
   
6.     if  new_userss.lower() in current_users:
   
7.         print("no")
   
8.     else:
   
9.         print("yes")

复制代码

跳转到最佳答案楼层

qiuyouzhi

1. current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
   
2. new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
   
3. for i in range(len(current_users)):
   
4.     current_users[i] = current_users[i].lower()
   
5. for i in range(len(new_users)):
   
6.     new_users[i] = new_users[i].lower()
   
7. print(current_users, new_users)

复制代码

sunrise085

1. current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
   
2. new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
   
3. for i in range(len(current_users)):
   
4.     current_users[i]=current_users[i].lower()
   
5. for i in range(len(new_users)):
   
6.     new_users[i]=new_users[i].lower()
   
7. print(current_users)
   
8. print(new_users)

复制代码

Twilight6

你代码实际上换一个就够了 因为你第二个遍历时候 if 判断里面已经lower 另一个列表的

在你原来代码上进行更改了下

1. current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
   
2. new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
   
3. for i in range(len(current_users)):
   
4.     current_users[i] = current_users[i].lower()  # 把第 i 位置的换成小写重新赋值
   
5. for new_userss in new_users:
   
6.     if  new_userss.lower() in current_users:
   
7.         print("no")
   
8.     else:
   
9.         print("yes")

复制代码

txxcat

1. current_users = ['qw' , 'rt' , 'Asd' , 'k' , 'u']
   
2. new_current_users=[]
   
3. for i in current_users:
   
4.     new_current_users.append(i.lower())
   
5. new_users = ['sd' , 'QW' , 'asd' , 'c' , 'b']
   
6. for new_userss in new_users:   
   
7.     if  new_userss.lower() in new_current_users:
   
8.         print("no")
   
9.     else:
   
10.         print("yes")

复制代码