怎么实现python迭代循环和用户输入-创新互联
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怎么实现python迭代循环和用户输入？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
FOR(iteration) 循环
for 循环是 Python 中最常用的迭代机制。Python 中几乎所有的结构都能被 for 迭代。包括列表，元组，字典等。另一种常用的循环是 while 循环，但是 for 循环会是你最常见到的循环。
什么是 while 循环
while 循环会判断一个初始条件，条件成立则执行一次迭代，每次迭代完成后重新判断条件，如果成立则继续迭代，否则退出循环。
通用语法
# Set an initial condition. game_active = True # Set up the while loop. while game_active: # Run the game. # At some point, the game ends and game_active will be set to False. # When that happens, the loop will stop executing. # Do anything else you want done after the loop runs.
每次循环前都要初始化一条判断为 true 的条件。
while 循环中包含条件判断。
条件判断为 true 则执行循环内代码，不断迭代，判断。
判断为 false 则退出循环。
示例
# The player's power starts out at 5.
power = 5
# The player is allowed to keep playing as long as their power is over 0.
while power > 0:
print("You are still playing, because your power is %d." % power)
# Your game code would go here, which includes challenges that make it
# possible to lose power.
# We can represent that by just taking away from the power.
power = power - 1
print("\nOh no, your power dropped to 0! Game Over.")用户输入
在 Python 中你可以利用 input() 函数接受用户输入。函数可以接受一条提示信息，等待用户输入。
通用用法
# Get some input from the user.
variable = input('Please enter a value: ')
# Do something with the value that was entered.示例
如下示例，提示用户输入名字，加入到名字列表中。
# Start with a list containing several names.
names = ['guido', 'tim', 'jesse']
# Ask the user for a name.
new_name = input("Please tell me someone I should know: ")
# Add the new name to our list.
names.append(new_name)
# Show that the name has been added to the list.
print(names)关于怎么实现python迭代循环和用户输入问题的解答就分享到这里了，希望以上内容可以对大家有一定的帮助，如果你还有很多疑惑没有解开，可以关注创新互联-成都网站建设公司行业资讯频道了解更多相关知识。
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