By 叶子与桔子

更新日期:

文章目錄 
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#!/usr/bin/python
# -*- coding=UTF8 -*-

import os
import commands
import re
from optparse import OptionParser
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def mytest():
    a=input("input a number:    ")
    s=[]
    if a < 10:
        for i in range(a):
            s.append(i)
    elif a < 100:
        for i in range(a)[0:a:10]:
           s.append(i)
    else:
        while a > 0:
            a=a/100
            s.append(a)
    return s

print([e for e in mytest() if e>1])  #重点

res=map((lambda x: x+3),mytest())
del res[0]
print('re=%s retype=%s' % (str(res),str(type(res))))

print(dir("")) #打印string的全部属性和方法

m = re.search('[0-9]','abcd4ef')    #参考http://www.cnblogs.com/vamei/archive/2012/08/31/2661870.html
print(m.group(0))

class myclass(object):
    cname="myclass"
    def __init__(self):
        print("myclass init")
        return
    def show(self,str):
        self.str=str
        print(str)
        return

myc=myclass()
myc.show("show")
print(myc.str)
print(myc.cname)

ret=os.system("ls")
print(ret)
print os.popen('ls').readlines()
files=commands.getoutput("ls")
files=files.split('\n')
print(files)

def main():
    try:
        usage = "usage: %prog [options] arg"
        parser = OptionParser(usage)
        parser.add_option("-f", "--file", dest="filename",
                      help="read data from FILENAME")
        (options, args) = parser.parse_args()
        if options.filename:
            print "reading %s..." % options.filename
            fpath=options.filename
            if os.path.exists(fpath)==True:
                f=open(fpath,"r+")
                print(f.readlines())
                f.write("#writefile")
                f.close()
    except KeyboardInterrupt:
        print "用户中断"
    except Exception, e:
        print e

    return

if __name__ == "__main__":
    main()

推荐python教程 http://www.cnblogs.com/vamei/archive/2012/09/13/2682778.html

文章目錄