Beautiful is better than ugly. Explicit is better than implicit. Simple ...
![240](https://upload.jianshu.io/collections/images/573914/crop1512042717124.jpg?imageMogr2/auto-orient/strip|imageView2/1/w/240/h/240)
Beautiful is better than ugly. Explicit is better than implicit. Simple ...
method 在一個類中穗泵,可能出現(xiàn)三種方法,實例方法唐断、靜態(tài)方法和類方法,下面來看看三種方法的不同杭抠。 實例方法instance method 實例...
“_”和” __”的使用 更多的是一種規(guī)范/約定脸甘,不沒有真正達到限制的目的: “_”:以單下劃線開頭的表示的是protected類型的變量,即只...
def fs(lst,fil) f=lambda x:not any(p in x for p in fil) return list(filt...
list = ["a", "b", "c"]#可修改數(shù)組 dictionary = {"a": 0, "b": 1, "c": 2}#hash表...
decor()僅僅是一個自己定義的函數(shù)偏灿,@才是使用的核心丹诀。 def decor(func): def wrap(): print("...
(1) try: f = open("filename.txt") text=f.read() finally: f.close() ...
nums = [55, 44, 33, 22, 11] if all([i > 5 for i in nums]): print("All ...
is是判斷地址相同,==是判斷值相同 a=1 b=a print(b is a)#True print(a is b)#True print(b...