综合编程 2018-05-22

python高级编程1

1.如何在列表,字典,集合中根据条件筛选数据? 如: 过滤列表[3, 9, -1, 10, 20, -2...]中的负数 筛出字典{‘小明’:70, 'Jim':88,'Tom':98...}中值高于90的项 筛出集合……
创业投资 2018-05-22

When to raise a Series A

One of the hardest questions to answer when considering an A is “when is my company ready?” This is another one of those questions for which there are hundre……