摘要:
str:' ';" " class str(basestring): """ str(object='') string Return a nice string representation of the object. If the argument is a string, the retur 阅读全文
摘要:
class int(object): """ int(x=0) int or long int(x, base=10) int or long Convert a number or string to an integer, or return 0 if no arguments are give 阅读全文
摘要:
set集合,是一个无序且不重复的元素集合 A = set([1, 2, 3, 4, 5, 6,]) B = set([2, 3, 4, 5, 6, 7, 8]) type(A) type(B) class set(object): """ set() new empty set object set 阅读全文