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  1. aa="岳麓区人民欢迎您"
  2. print(aa)
  3. print(aa[0])
  4. print(aa[-1])
  5. username='xiaoming'
  6. print(username)
  7. print(username.upper())
  8. unsername1=username.upper()
  9. print(unsername1)
  10. print(unsername1.lower())
  11. print(len(username))
  12. str="Hello_world"
  13. print(str.upper())
  14. print(str[2:8])
  15. print(len(str))
  16. print(str[-2])
  17. print(str.split('_'))
  18. mylist=[10,20,30,40,50]
  19. print(mylist)
  20. print(mylist[1])
Success #stdin #stdout 0.08s 14096KB
stdin
Standard input is empty
stdout
岳麓区人民欢迎您
岳
您
xiaoming
XIAOMING
XIAOMING
xiaoming
8
HELLO_WORLD
llo_wo
11
l
['Hello', 'world']
[10, 20, 30, 40, 50]
20