while의 조건이 True일 때 계속 반복해서 실행한다.
언제까지? while의 조건이 False가 될 때 까지..
distance = 0
while distance < 20:
print("I'm running",distance,"km")
distance = distance + 1
from random import randint
print("Welcome to Python game")
playing = True
pc_choice = randint(1,50)
while playing:
user_choice = int(input('choose number'))
if user_choice == pc_choice :
print('you won')
playing = False
elif user_choice < pc_choice :
print('Higher!')
elif user_choice > pc_choice :
print('Lower!')