编程题：Judge uppercase characters

Enter a string, judge whether all characters in it are uppercase characters, and output True or False according to the result.

### Input Specification:

Input a string.

### Output Specification:

If all characters in the string are uppercase, print True, otherwise print False.

### Sample Input #1:

in
ZUST

### Sample Output #1:

out
True

### Sample Input #2:

in
Fiona

### Sample Output #2:

out
False

### Sample Input #3:

in
hello

### Sample Output #3:

out
False












答案：若无答案欢迎评论