def contact(datafile):
  """ text data file => dict of contact key, contact value """
  contact = {}
  with open(datafile, 'r') as data:
    for line in data.readlines():
      line = line.strip()
      if len(line) < 5:
        continue
      key, value    = line.split(" ", maxsplit = 1)
      key           = key.strip()
      value         = value.strip()
      contact[key]  = value
  return contact