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  • python基础之循环

    while循环

    message = ""
    while message != 'quit':
    	message = input("Enter 'quit' to end the program: ")
    	if message != 'quit':
    		print(message)
    

    循环标志

    active = True
    while active:
    	message = input("Enter 'quit' to end the program: ")
    	if message != 'quit':
    		print(message)
    	else:
    		active = False
    

    break退出循环

    while True:
    	message = input("Enter 'quit' to end the program: ")
    	if message != 'quit':
    		print(message)
    	else:
    		break
    

    countinue退出

    current_number = 0
    while current_number < 10:
    	current_number += 1
    	if current_number % 2 == 0:
    		continue
    	print(current_number)
    

    while循环处理列表

    unconfirmed_users = ['alice', 'brian', 'candace']
    confirmed_users = []
    
    while unconfirmed_users:
        current_user = unconfirmed_users.pop()
        
        print("Verifying user: " + current_user.title())
        confirmed_users.append(current_user)
        
    print("
    The following users have been confirmed:")
    for confirmed_user in confirmed_users:
        print(confirmed_user.title())
    

    删除多个特定元素

    pets = ['dog', 'cat', 'dog', 'goldfish', 'cat', 'rabbit', 'cat']
    print(pets)
    
    while 'cat' in pets:
        pets.remove('cat')
        
    print(pets)
    

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  • 原文地址:https://www.cnblogs.com/huny/p/13765311.html
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