一、实例方法
| 方法 | 结果 |
|---|---|
"a1".capitalize() |
"A1" |
"a1".replace("a", "*V*") |
"*V*1" |
"a1".count("a") |
1 |
"a1".join("你好世界") |
‘你a1好a1世a1界‘ |
"abcdef".partition("b") |
(‘a‘, ‘b‘, ‘cdef‘) |
" abbcdef ".strip() |
‘abbcdef‘ |
"PPPiii".casefold() |
‘pppiii‘ |
"a\tb\tc\td".expandtabs(8) |
‘a b c d‘ |
‘abcdefg‘.find(‘def‘) |
3 |
‘abcdefg‘.find(‘dcba‘) |
-1 |
"abc".ljust(10, "<") |
‘abc<<<<<<<‘ |
"abc".rjust(10, ">") |
‘>>>>>>>abc‘ |
"abc".center(10, "*") |
‘***abc****‘ |
原文：https://www.cnblogs.com/aolan/p/15027573.html