python小案例_Python的应用小案例
1.python統計文本中每個單詞出現的次數:
#coding=utf-8
__author__ = 'zcg'
import collections
import os
with open('abc.txt') as file1:#打開文本文件
str1=file1.read().split(' ')#將文章按照空格劃分開
print "原文本:\n %s"% str1
print "\n各單詞出現的次數:\n %s" % collections.Counter(str1)
print collections.Counter(str1)['a']#以字典的形式存儲,每個字符對應的鍵值就是在文本中出現的次數
2.python編寫生成序列化:
__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.遍歷excel表格中的所有數據:
__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需要百度下載導入這個模塊到python中
4.將表格中的數據整理成lua類型的一個格式
#coding=utf-8
__author__ = 'zcg'
#2017 9/26
import xlrd
fileOutput = 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=writeData+'"'+str(booksheet.cell(row,col).value)+'", '
else:
writeData=writeData+'},\n'
else:
writeData=writeData+'}\n\n'
else :
fileOutput.write(writeData)
fileOutput.close()
總結
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