張鈞堯

1. a=123.123
   
2. b="C"
   
3. print("AB%sD"%b)
   
4. print("★%d★"%a)
   
5. print("★%f★"%a)
   
6. print("~~~~%6.3f~~~"%a)
   
7. print("~~~~%01.2f~"%a)
   
8. print("~~~~%07.2f~"%a)
   
9. print("~~~~%08.2f~"%a)

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