unit4_ex4.2.3.py

# exercise 4.2.3 from unit 4
'''
Sort from the following list - which lists select accepts and which it returns.
'''

# Answers:

# 1: A list of sockets that we would like to read from - select accepts

# 2: A list of sockets that we would like to write to - select accepts 

# 3: A list of sockets that can be read from - select return 

#4: A list of sockets that we would like to know if an error occurred in them - select accepts