摘要： # -*- coding: utf-8 -*- x =set() print type(x) # <type 'set'> 定义一个空的集合 x=['a','a','c','d'] x= set(x) print x # set(['a', 'c', 'd']) list -> set print 阅读全文

摘要： # -*- coding: utf-8 -*-x='pythonnnnnnoooo'print type(x)# 输出类型print x.capitalize()# Pythonnnnnnoooo 首字符大写print x.center(40)# pythonnnnnn... 阅读全文

摘要： This function returns a list of tuples, where the i-th tuple contains the i-th element from each of the argument sequences or iterables. The returned ... 阅读全文