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  • Python的应用小案例

    1.python统计文本中每个单词出现的次数:

    #coding=utf-8
    __author__ = 'zcg'


    import collections
    import os

    with open('abc.txt') as file1:#打开文本文件
    str1=file1.read().split(' ')#将文章按照空格划分开

    print "原文本: %s"% str1
    print " 各单词出现的次数: %s" % collections.Counter(str1)
    print collections.Counter(str1)['a']#以字典的形式存储,每个字符对应的键值就是在文本中出现的次数


    2.python编写生成序列化:
    __author__ = 'zcg'
    #endcoding utf-8
    import string,random

    field=string.letters+string.digits

    def getRandom():
    return "".join(random.sample(field,4))

    def concatenate(group):
    return "-".join([getRandom() for i in range(group)])

    def generate(n):
    return [concatenate(4) for i in range(n)]
    if __name__ =='__main__':
    print generate(10)

    3.遍历excel表格中的所有数据:

    __author__ = 'Administrator'

    import xlrd


    workbook = xlrd.open_workbook('config.xlsx')
    print "There are {} sheets in the workbook".format(workbook.nsheets)
    for booksheet in workbook.sheets():
    for col in xrange(booksheet.ncols):
    for row in xrange(booksheet.nrows):
    value=booksheet.cell(row,col).value
    print value
    其中xlrd需要百度下载导入这个模块到python中

    4.将表格中的数据整理成lua类型的一个格式
    #coding=utf-8
    __author__ = 'zcg'
    #2017 9/26

    import xlrd
    fileOutput = open('Configs.lua','w')

    writeData="--@author:zcg "

    workbook = xlrd.open_workbook('config.xlsx')
    print "There are {} sheets in the workbook".format(workbook.nsheets)

    for booksheet in workbook.sheets():
    writeData = writeData+'AT' +booksheet.name+' ={ '
    for col in xrange(booksheet.ncols):
    for row in xrange(booksheet.nrows):
    value = booksheet.cell(row,col).value
    if row ==0:
    writeData = writeData+' '+'["'+value+'"]'+'='+'{'
    else:
    writeData=writeData+'"'+str(booksheet.cell(row,col).value)+'", '
    else:
    writeData=writeData+'}, '
    else:
    writeData=writeData+'} '
    else :
    fileOutput.write(writeData)
    fileOutput.close()








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  • 原文地址:https://www.cnblogs.com/zcg1051980588/p/7595138.html
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