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  • 简单的总结

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    #计算100——300之间所有能被3和7整除的所有数之和
    '''
    sun = 0
    for i in range(100,301):
    if i % 3 ==0 and i % 7==0:
    sun +=i
    print(sun)
    '''

    #定义函数统计一个字符串中大小写字母、数字的个数,并返回结果
    '''
    def func(args):
    a = 0
    b = 0
    c = 0

    for r in args:
    if r.isupper(): #获取大写个数
    a +=1

    elif r.islower(): #获取小写个数
    b +=1

    elif r.isdigit(): #获取数字
    c +=1
    return (a,b,c)

    if __name__ == '__main__': #验证是否是入口执行文件
    astr = input(u'请输入一个字符串:')
    ret = func(astr)
    print(ret)
    '''
    #获取两个列表l1 = [11,22,33],l2 = [22,33,44] 中相同的元素集合
    '''
    l1 = [11,22,33]
    l2 = [22,33,44]
    set1 =set(l1)
    set2 =set(l2)
    print(set1&set2)
    '''
    #将字符串‘汉字’转换成UTF-8编码的字节类型
    '''
    sr = '哈尔滨'
    s = sr.encode('utf-8')
    print(s)
    '''
    #计算绝对值
    '''
    s=-1
    e=abs(s)
    print(e)
    '''
    #例举布尔值为False的值
    '''
    () {} None "" 0
    '''



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  • 原文地址:https://www.cnblogs.com/huangguabushihaogua/p/9387975.html
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