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file_object = open(file_name, access_mode = 'r', buffering = -1)

'''

file_name:绝对路径或者相对路径

access mode:

r read

w write

a add

U 通用换行符支持

其中w打开时清空

r U必须打开已存在文件

a = fopen()

+ 读写

b 二进制

'''

fp = open('/etc/motd')

fp = open('test', 'w')

fp = open('data', 'r+')

fp = open(r'c:\io.sys', 'rb')

file

if isinstance(f, file)

# 处理换行符

f = open('myfile', 'r')

data = [line.strip() for line in f.readlines()]

f.close()

seek()

text()

# 文件迭代(包括换行符)

for eachline in f:

# 读取全文后再打印

filename = raw_input('Enter file name')

f = open(filename, 'r')

allLines = f.readlines()

f.close() # 位置

for eachline in allLines:

print eachline

# 读取一行打印一行

filename = raw_input('Enter file name')

f = open(filename, 'r')

for eachline in f:

print eachline

f.close() # 位置