python basis - flow control statements

if conditions: 
    the condition code execution 
elif condition: 
    the above condition is not satisfied and left the 
elif condition: 
    the above condition is not satisfied and left the 
elif condition: 
    the above condition is not satisfied and left this     
else: 
    all of the above conditions are not satisfied and left this

= 23 age_Lao 
age_Lao_chun = int (the INPUT ( "Guess my age:")) #input import user input 
IF age_Lao_chun == age_Lao: 
    Print ( "Congratulations, you guessed it") 
elif age_Lao_chun> age_Lao: 
    Print ( "to the small Well guess a little ") 
elif age_Lao_chun <age_Lao: 
    Print (" to guess a little big thing ")

score = int (input ( "Enter score:")) 
IF Score> = 100: 
    Print ( "A") 
elif Score> = 90: 
    Print ( "B") 
elif Score> = 80: 
    Print ( "C") 
the else: 
    Print ( "the end of the course") 


password encryption module

import getpass          #getpass 密码密文
username=input("username:")
password=getpass.getpass("password:")
print(username,password)

while loop

= 23 age_Lao 
COUNT = 0 
the while COUNT <3: # judge wrong three times, that 
    age_Lao_Chun = int (input ( "Please enter my age:")) 
    IF age_Lao_Chun == age_Lao: 
        Print ( "hello clever ah") 
        break # guessed it exits the loop 
    elif age_Lao_Chun> age_Lao: 
        Print ( "guess a little small thing") 
    the else: 
        Print ( "guess bigger thing") 
    count + = 1 # and above to make a judgment count

One to one hundred and then click Print

number=1
while number<101:
    print(number)
    number+=1

0 = Number 
the while Number <10: 
    Number + =. 1 
    IF Number == 7: == # 7 determines Number 
        Continue == # 7 if the loop is executed on the next cycle out 
    print (number) 

The total number of one to one hundred

= 0 number_sum 
Number. 1 = 
the while Number <101: 
    number_sum + = Number 
    Number + =. 1 
    Print (number_sum) 


one to one hundred even

=. 1 NUMBER_1 
the while NUMBER_1 <= 100: 
    IF NUMBER_1% 2 == 0: 
         Print (NUMBER_1) 
    NUMBER_1 +. 1 = 


odd number of one to one hundred

=. 1 NUMBER_1 
the while NUMBER_1 <= 100: 
    ! IF NUMBER_1% 2 = 0: # 2! It is divided by 2 = 0 not to 
         Print (NUMBER_1) 
    NUMBER_1 +. 1 =