Python 日循环练习、数字游戏和任务

no = 1
top = 5
direction = 1
while no>0:
    print(no,end= ' ')
    if no == top:
        print(no,end=' ')
        direction = -1
    no = no + direction

1 2 3 4 5 5 4 3 2 1

import random

system_no = random.randint(1,20)

while true:
    guess = int(input("enter the no. "))
    if guess == system_no:
        print("hurray!  i got the number!! ")
        break
    elif guess > system_no:
        print("your guess is too high! ")
    else:
        print("your guess is too low! ")

enter the no. 5
your guess is too low! 
enter the no. 7
your guess is too low! 
enter the no. 10
your guess is too low! 
enter the no. 12
hurray!  i got the number!! 

no = int(input("enter no. "))
max_no = 0
while no>0:
    rem = no%10
    if rem>max_no:
        max_no = rem
    no//=10

print(max_no)

enter no. 452
5

no = int(input("enter no. "))
min_no = 9
while no>0:
    rem = no%10
    if rem<min_no:
        min_no=rem
    no//=10

print(min_no)

enter no. 452
2

no=input("enter the no. ")

num=1

while num <len(no):
    if no[num]==no[0]:   
        print("all digits are equal")
        break
    num+=1

else :
    print("not equal")

1)Enter the no. 4444
  All digits are equal
2)Enter the no. 46562
Not equal