#!/usr/bin/python3.8

# ļ
testFile = open("d:/test.txt", "r+")
print ("ļΪ", testFile.name)

line = testFile.readline()
print ("ȡΪ%s" % (line))

# ȡǰļλ
pos = testFile.tell()
print ("ǰλã%d" % (pos))

# رļ
testFile.close()

ϳнΪ
ļΪd:/test.txt
ȡΪ2:www.nfu.edu.cn 2: www.nfu.edu.cn

ǰλã34