Watch NowThis tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding:What Does if __name__ == "__main__" Mean in Python? 🐍
词汇积累教材原文课文译文WHAT'S SO FUNNY?什么如此有趣?Story A故事AA famous art collector was walking through the一个著名的艺术品收藏家①saucer /'sosa/n.杯托city when he noticed a dirty cat lapping milk from a在穿过城市时看见一只脏猫在② doorway /'do:weI/ n.saucer① in the doorway② of...
Do you know what makes lightning(闪电)? Why does lightning strike(击打)? Lightning strikes happen when ice and water in clouds rub(摩擦) together, and cause atmospheric(大气层的) changes. When this happens, it creates a static charge(静电). Lightning can strike inside the cloud, between ...
How did Python find 5 in a dictionary containing 5.0? Python does this in constant time without having to scan through every item by using hash functions. When Python looks up a key foo in a dict, it first computes hash(foo) (which runs in constant-time). Since in Python it is requir...
Open the application and, in a new window, click the wizard icon and then the Next button if the wizard does not start automatically. Select the local drive containing the deleted files. Select the type of file you are looking for, or skip this step and find the files you want after sc...
What does boldness mean? According toCEO Excellence, it means thinking differently about what is and isn’t under your control. You probably have control over more than you think. Even if, for example, you’re the CEO of an organization in an industry facing low growth with certain adverse...
We should let goand let them grow.(1)Why does the author mention the immune system in Paragraph 2?A. To stress its importance. B. To analyze the cause of anxiety.C. To question the latest discovery. D. To help understand a new word.(2)Parents overprotect children because .A. ...
Better traffic, betterlife!(3) If all the citizens of Shanghai can do these well, the traffic will no longer be aproblem in the future.(4) As long as everyone does it well and the government takes effective actions, Ibelieve the problem abouttraffic jams can be solved soon.例文分析原文...
In the above example, it is thev.front. Once you writev.front, the only thing you can do next is follow up with parentheses to call the member function. If you forget the parentheses, then you get an error from the compiler that’s basically saying, “The only thing you are allowed ...
The prefix of'u'in a string denotes the value of type Unicode rather thanstring(str). However, the Unicode strings are no longer used in Python3. The prefix of'u'in a string denotes the value of type Unicode rather than str. However, the Unicode strings are no longe...