new_contents: # Command line script to convert a given number from one unit, to another. 
  # Assigns multiple units to given number and converts them all.
  
  import argparse
  from src.convert import kilometer_to_miles, miles_to_kilometer, years_to_minutes, minutes_to_years
  
  # Command line parse options
  parser = argparse.ArgumentParser()
  parser.add_argument('value', type = float, help = "Enter the number to be converted.")
  args = parser.parse_args()
  
  #km to miles
  km_2_miles = kilometers_to_miles(ars.value)
  
subject: Create main.py