zoukankan      html  css  js  c++  java
  • 017_set

    #!/usr/bin/env python
    # Author:liujun

    list1 = [1,4,5,7,3,6,7,9]
    list1 = set(list1)
    # set is unordered

    list2 = set([2,6,0,66,22,8,4])
    print(list1.intersection(list2))
    print(list1 & list2)
    # Extract the intersection of the two lists

    print(list1.union(list2))
    print(list2 | list1)
    # Extract the union of the two lists

    print(list1.difference(list2))
    print(list1 - list2)
    # Extract the difference of the two lists

    print(list1.issubset(list2))
    # Determine whether a list is a sutset of another

    print(list1.issuperset(list2))
    # Determine whether a list is a parent of another

    print(list1.symmetric_difference(list2))
    print(list1 ^ list2)
    # Extract symmetric_difference of the two lists


    list1.add(555)
    # Add single element

    list1.update([55,66,88,99])
    # Add multiple elements


    list1.pop()
    # Return and remove an arbitrary set element
    list1.discard(888)
    # Remove the element


    print(list1)
  • 相关阅读:
    C语言01
    C++面试总结更新
    Python网络爬虫与信息提取02
    Self-Driving Car 01
    Python网络爬虫与信息提取01
    Python-03
    Shell
    Python-05
    Python-04
    Python-02
  • 原文地址:https://www.cnblogs.com/liujun5319/p/9588956.html
Copyright © 2011-2022 走看看