泡面小网管

摘要： 1. list1 = [1,2,3,4,5] list1 = [ str(x) for x in list1 ] 2. list1 = [1,2,3,4,5] list1 = list(map(str,list1)) 阅读全文

摘要： import itertools#排列list1 = list(itertools.permutations([1,2,3,4,5,6],2))# print(list1)print(len(list1))# list2 = itertools.permutations([1,2,3,4,5,6], 阅读全文

摘要： list1 = [1,2,3,4,5,6,7,8,9,12,31,21,21]def fun1(num): if num % 2 == 0: return True return Falselist2 = filter(fun1,list1)print(list(list2))#filter函数中两 阅读全文