"""
A module to extract the middle third of a string

Author: Walker M. White
Date:   August 31, 2017 (Python 3 Version)
"""

def middle(text):
    """
    Returns: the middle 3rd of text
    
    Parameter text: The text to cut up
    Precondition: text is a string
    """
    
    # Get length of text
    size = len(text)
    # Start of middle third
    start = size//3
    # End of middle third
    end = 2*size//3
    # Get the text
    result = text[start:end]
    # Return the result
    return result