Python之读取TXT文件的三种方法

import sys

方法一：
#read txt method one  
f = open("./image/abc.txt")  
line = f.readline()  
while line:  
print line  
line = f.readline()  
f.close()

方法二：
#read txt method two  
f = open("./image/abc.txt")  
for line2 in open("./image/abc.txt"):  
print line2

方法三：
#read txt method three  
f2 = open("./image/abc.txt","r")  
lines = f2.readlines()  
for line3 in lines:  
print line3