练习-统计文件中单词数量

#统计文件中单词个数

"""

第一步：将文件中的内容按行读取

第二步，将每一行的内容按照逗号分隔成短句

第三步，将每一个短句按空格分隔

第四步，最后分隔出来的字符串如果为纯字母或者带有非字母字符，则单词数量+1

"""
import re
count=0
with open("e:\test\b.txt","r") as fp:
    for line in fp.readlines():
        for i in line.split(","):
            for j in i.split():
                if j.isalpha():
                    count+=1
                if re.search("W",j):
                    count+=1
                    print j
print count

#随机生成测试号码

#encoding=utf-8

import random

def RanCreatePhoneNumber(path,num):
    fp=open(path,"w")
    resultlist=[]
    n=0
    while n<num:
        i = random.randint(17097999999,17098999999)
        if i in resultlist:
           continue
      else:
        resultlist.append(i)
            fp.write(str(i)+" ")
        n+=1
    fp.close()

print RanCreatePhoneNumber("d:\PhoneNumber5.txt",200000)

#简单加密，输出字符串中每一个字母后四位的字母，比如a，则输出e，输入W，则输出A，非字母不作处理

#encoding=utf-8
def Encryption(s):
    result=[]
    if isinstance(s,(str,unicode,basestring)):
        for i in s:
            if ord(i)<=85 and ord(i)>64:    
                result.append(chr(ord(i)+4))
            elif ord(i)<=117 and ord(i)>96:    
                result.append(chr(ord(i)+4))
            elif ord(i)>86 and ord(i)<90:   
                result.append(chr(ord(i)-22))
            elif ord(i)>118 and ord(i)<122:    
                result.append(chr(ord(i)-22))
            else:
                result.append(str(i))
    return "".join(result)
print Encryption("YIYdakh^*{} ^%")