下面表达式求值分别是什么？ ‘Hello’.upper() ‘Hello’.upper().isupper() ‘Hello’.upper().lower()
HELLO True hello
举一反三
- 表达式 'Hello'.upper() 的值为
- 表达式 'Hello world'.upper() 的值为_______
- 属于字符串方法的是（） A: upper B: lower C: isupper D: islower
- For the two adjacent floors, call the upper layer ______ and the lower layer______ .
- 已知a='pYthon'，下面哪条语句可以令b为第一个字母大写的字符串'Python'。 A: b=a.lower() B: b=a.upper() C: b=a[0].upper()+a[1:].lower() D: b=a[1].upper()+a[2:].lower()
内容
- 0
What do the upper and lower garments symbolize in traditional Chinese culture?
- 1
The cylinders and pistons are in the upper part of the cylinder block and the crankshaft is in the lower part.
- 2
A speech sound formed with the lower lip and the upper teeth is called________________ sound A:
- 3
A speech sound formed with the lower lip and the upper teeth is called________________ sound
- 4
In Canada, the upper house has more power than the lower house.