The google python course is a free online resource from Google covering Python basics to more advanced topics. It’s designed ...

很多初学者喜欢用全局变量，因为这比函数的参数传来传去更容易让人理解。确实在很多场景下用全局变量很方便。不过如果代码规模增大，并且有多个文件的时候，全局变量就会变得比较混乱。你可能不知道在哪个文件中定义了相同类型甚至重名的全局变量，也不知道这个变量在程序的某个地方被做了怎样的操作。因此对于这种情况，有 ...

Few sneakers make all-black look this good — but the “Black Python” Air Jordan 3 does it with effortless swagger. The Air Jordan 3 ‘Black Python’ Brings Venom to the Streets Written by Caryn Ganess fo ...

After leopard, zebra, and python prints, a new star is taking center stage this fall: cow print. Yes, you read that right. With its graphic black and white spots, it's establishing itself as the ...