Python 文件

1 常用操作：

output = open(r'C:\fileName','w')
input = open('file')
aString = input.read() # 读取整个文件到一个字符串
aString = input.read(N) # 读取N个字节
aString = input.readline()
aList = input.readlines() # 读取整个文件到字符串列表
output.write(aString)
output.write(aList)
output.close()
output.flush()
for line in open('filename'):