#!/usr/bin/python

def read_route_data():
  routesList = []
  with open("routes.txt", "rt") as in_file:
    routes = in_file.read()
  tempList = routes.split(',')
  i = 0
  while i < tempList.len:
    x = tempList[i]
    i = i + 1
    y = tempList[i]
    routesList.append({'route_number': x, 'happy_ratio': y})
  return routesList

def sort_route_data(routesList):
  currentLowest = 0
  for i in routesList.len:
    for j in routesList.len:
      if (i == j):
        print ("do nothing")
        continue
      if (routesList[j] < currentLowest dict ["happy_ratio"]):
        currentLowest = routesList[j] dict ["route_number"]
        routesList.append currentLowest
        currentLowest = routesList[i]
        return routesList[i]
        continue
      else:
        break

while True:
  try:
    n = input ("How many routes can have an extra bus? ")
    n = int (n)
  except ValueError:
      print ("Invalid value. Please enter a non-negative integer")
      continue
  if n < 0:
      print("Invalid value. Please enter a non-negative integer")
      continue
  else:
    break
route = read_route_data

print(routes)