Python快捷代码片段的使用

from math import ceil

def chunk(lst, size):  

    return list(  

        map(lambda x: lst[x * size:x * size + size],  

            list(range(0, ceil(len(lst) / size)))))  

chunk([1,2,3,4,5],2) # [[1,2],[3,4],5]

def all_unique(lst):  

    return len(lst) == len(set(lst)) 

x = [1,1,2,2,3,2,3,4,5,6]  

y = [1,2,3,4,5]  

all_unique(x) # False  

all_unique(y) # True

hobbies = ["basketball", "football", "swimming"]

print("My hobbies are: " + ", ".join(hobbies)) # My hobbies are: basketball, football, swimming