摘要：
array Python中的array的长度是本身携带的属性，len()，实际为调用内部函数__len__() arr: List = [0,1,2,3] index的取值范围: [-len(arr), len(arr) - 1] keys 较为少见或者可以不需要 del yield not is 阅读全文
|
sqmw
The awakening is always delayed, there seems to be some fog
|
|
|