Case study of python Operation
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If you think about it first when you see this, how can you output him?
Why does it have color?
Where can I find special symbols?
Special symbols look for symbols in the Book of symbols.
Http://www.fhdq.net/ task 1, output book information book_name='Java programming course 'publish=' Xi'an University of Electronic Science and Technology Press' pub_date='2019-02-02'price=56.8print ('►→→◀') print ('▷\ t\ t', book_name,' "\ t ◁') print ('▷\ t Press:' Publish,'\ t ◁') print ('▷\ t publication time:', pub_date,'\ t\ t\ t ◁') print ('▷\ t pricing:', price,'\ t\ t ◁') print ('►→→◀')
Achieve results:
►→→◀
▷ "Java programming tutorial" ◁
▷ Press: ◁, Xi'an University of Electronic Science and Technology Press
▷ publication time: 2019-02-02 ◁
▷ pricing: 56.8 ◁
►→→◀
Task 2. Output the top five of Jinling in A Dream of Red Mansions. 1. Assignment of variables name1=' Lin Daiyu 'name2=' Xue Baochai' name3=' Jia Yuanchun 'name4=' Jia Tanchun' name5=' Shi Xiangyun 'print (' ➀\ t'+name1) print ('➁\ t'+name2) print (' ➂\ t'+name3) print ('➃\ t'+name4) print (' ➄\ t'+name5)
Running result:
➀Lin Daiyu
➁ Xue Baochai
➂ Jia Yuanchun
➃ Jia Tanchun
➄ Shi Xiangyun
2. List method lst_name= ['Lin Daiyu', 'Xue Baochai', 'Jia Yuanchun', 'Jia Tanchun', 'Shi Xiangyun'] lst_sig= ['➀', '➁', '➂', '➃', '➄'] for i in range (5): print (lst_ sign [I], lst_ name [I])
If there is no [I], the array will be output directly:
➀Lin Daiyu
➁ Xue Baochai
➂ Jia Yuanchun
➃ Jia Tanchun
➄ Shi Xiangyun
3. Dictionary mode d = {'➀': 'Lin Daiyu', '➁': 'Xue Baochai', '➂': 'Jia Yuanchun', '➃': 'Jia Tanchun' '➄': 'Shi Xiangyun'} print (''-'') for key in d: print (key D [key]) print ('zip--') for smagnamename in zip (lst_sig,lst_name): print (sMagneName)
Running result:
➀Lin Daiyu
Zip--
➁ Xue Baochai
Zip--
➂ Jia Yuanchun
Zip--
➃ Jia Tanchun
Zip--
➄ Shi Xiangyun
Zip--
➀Lin Daiyu
➁ Xue Baochai
➂ Jia Yuanchun
➃ Jia Tanchun
➄ Shi Xiangyun
Task 3: output books, audio and video medals
There are colors:
Print (\ 033 [0bot 35m\ t\ t Book Audio and Video Medal\ 033 [m') print ('\ 033 [0bot 35m -\ 033 [m') print (\ 0033 [0bot 32m ❀Book Audiovisual Medal\ t\ t audio\ t exclusive activities\ 033 [m') print ('0033 [0] 34m ❤ exclusive offer\ t\ t ☏\ t discount reminder\ 033 [m') print ('033 [0bot 35m -\ 033 [m')
Task 4. Output your physical indicators
Calculate BMI based on height and weight
Height=170weight=50.5bmi=weight/ (height+weight) print ('your height is:', height) # print ('your weight is: + str (weight)) print (' your weight is:', weight) print ('your BMI index is:', bmi)
Your height is: 170
Your weight is: 50.5
The index of your BMI is 0.2290249433106576
Format decimals:
Print ('your BMI index is:' +'{: 0.2f} '.format (bmi))
The index of your BMI is 0.23.
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