fileObject.read([count])
pyuser@deyu:~/zzz$ cat fileio4.py
#!/usr/bin/python
fo = open("fileio.txt", "r+")
print("Read 3 bytes is:", fo.read(3))
print("Read 10 bytes is:", fo.read(10))
fo.close()
pyuser@deyu:~/zzz$ ./fileio4.py Read 3 bytes is: Pyt Read 10 bytes is: hon 是很棒的程式