Randomized name pairing in python

randomized-pairing.py

"""Console script for python_boilerplate."""
import argparse
import random
import sys
import math

def main():
    """Console script for python_boilerplate."""
    parser = argparse.ArgumentParser()
    parser.add_argument('_', nargs='*')
    args = parser.parse_args()

    print("Arguments: " + str(args._))

    names = []
    with open('names.txt') as f:
      while True:
          line = f.readline()
          if not line:
              break
          line = '@' + line
          line = line.replace('\n','')
          names.append(line)

    print('names before half: ', len(names))
    half_point = math.floor((len(names) / 2))
    print('half point: ' + str(half_point))

    first_set = names[:(half_point)]
    second_set = names[half_point:]

    pairs = []
    for idx, i in enumerate(first_set):

      if( len(second_set) > 0 ):
        random_range = random.randrange(len(second_set))
        while ( random_range < 0) :
          random_range = random.randrange(len(second_set))
        partner = second_set.pop(random_range)
        pairs.append((i, partner))

    for p in pairs:
       print('* ' + p[0] + ' <--> ' + p[1])

    print('Remainders to slot:')
    print(second_set)



if __name__ == "__main__":
    sys.exit(main())  # pragma: no cover