Python中应用的小案例分享

1.python统计文本中每个单词出现的次数：

#coding=utf-8__author__ = 'zcg'import collectionsimport oswith 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:\n %s"% str1print "\n各单词出现的次数：\n %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

__author__ = 'zcg'#endcoding utf-8import  string,randomfield=string.letters+string.digitsdef 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 xlrdworkbook = 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

#coding=utf-8__author__ = 'zcg'#2017  9/26import xlrdfileOutput = open('Configs.lua','w')writeData="--@author:zcg\n\n\n"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+' ={\n'    for col in xrange(booksheet.ncols):        for row in xrange(booksheet.nrows):            value = booksheet.cell(row,col).value            if row ==0:                writeData = writeData+'\t'+'["'+value+'"]'+'='+'{'            else:                writeData=writeD<mark style="color:transparent">来4源gaodaimacom搞#代%码*网</mark>ata+'"'+str(booksheet.cell(row,col).value)+'", '        else:            writeData=writeData+'},\n'    else:        writeData=writeData+'}\n\n'else :    fileOutput.write(writeData)fileOutput.close()

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