Some utilities that are handy

gistfile1.txt

# Convert fahrenheit to celcius
def f2c(temp):
    c = ((temp-32)/9)*5
    return round(c, 2)

# Check if a file is older than some number of seconds.
import time, os, stat
def file_too_old(pathname, seconds=600):
    try:
        os.stat(pathname)
    except FileNotFoundError:
        return True
    if (time.time() - os.stat(pathname)[stat.ST_MTIME]) > seconds:
        return True