upper()字符串中字母由小寫變為大寫
lower()字符串中字母由大寫變為小寫
capitalize()字符串中字母首字母大寫其余小寫
title()字符串中字母每個單詞的首字母大寫其余小寫
1 a = "hello"
2 b = "WORLD"
3 c = "hello"
4 d = "hello world"
5 a1 = a.upper()
6 b1 = b.lower()
7 c1 = c.capitalize()
8 d1 = d.title()
9 print(a1)
10 print(b1)
11 print(c1)
12 print(d1)
復制代碼
輸出結果:
HELLO
world
Hello
Hello World