Python first day

To set the program template in Pycharm:

#！ usr/bin/env python   #声明环境变量, Windows does not need #-*-coding:utf-8-*-          # Author Burnywen

Variable:

" Burnywen " Print ("burnywen")

" Burnywen " name2   = name   "banana"   #name2直接指向burnywen, do not change with name to print (name, name2)  output: Burnywen burnywenbanana  

Binary:

Decimal:                 8   4    2    1    binary 1    0      0    0   0   1   0

Ascii:

Decimal	corresponding characters
48-57	0-9
65-90	A-Z
97-122	A-Z

Formatting:

Name = input ("Name:") Age=int(Input ("Age :")) #转换为integerjob= Input ("Job:") Salary=int(Input ("Salary:") Info="""----------Info of%s------------Name:%Sage:%Djob:%ssalary:%D"""%s (name,name,age,job,salary)Print (info) Info2="""#特定场景下只能用这种----------info of {_name}------------Name:{_name}age:{_age}job:{_job}salary:{_salary}""". Format (_name = name,_age =Age , _job=Job, _salary=salary) Print (Info2) Info3="""----------Info of {0}------------name:{0}age:{1}job:{2}salary:{3}""". Format (name,age,job,salary)print (INFO3)

Guess_age Mini-game:

#！ usr/bin/Env python#-*-coding:utf-8-*-# Author Burnywenage_of_burnywen= atCount=0 whileCount <3: Age=int(Input ("Guess Age:"))    ifAge = =Age_of_burnywen:print (" You is right")         BreakElif Age>Age_of_burnywen:print ("think smaller ...")    Else: Print ("think bigger ...") Count+=1    ifCount = =3: Retry= Input ("want to try? y/n")        ifRetry! ="N": Count=0        ContinueElse: Print ("End ...")

Python first day