Checks to see if date is within a range

date.py

import datetime

# Checks too see if date is within a range
def is_within_date(date, min_date, max_date):
    # Convert MM/DD/YYYY string format to datetime date
    def convert_string_to_date(date_string):
        month,day,year = date_string.split("/")
        return datetime.date(int(year), int(month), int(day))        
    day = convert_string_to_date(date)
    day_min = convert_string_to_date(min_date)
    day_max = convert_string_to_date(max_date)
    delta_min = day - day_min
    delta_max = day - day_max
    return True if delta_min.total_seconds() >= 0 and delta_max.total_seconds() <= 0 else False

date = "03/15/2013"
min_date = "03/01/2013"
max_date = "04/01/2013"

print is_within_date(date, min_date, max_date)