old_contents: # -*- coding: utf-8 -*-
  
  import struct
  from math import cos, asin, sqrt
  
  def distance(lat1, lon1, lat2, lon2):
      p = 0.017453292519943295
      a = 0.5 - cos((lat2 - lat1) * p)/2 + cos(lat1 * p) * cos(lat2 * p) * (1 - cos((lon2 - lon1) * p)) / 2
      return 12742 * asin(sqrt(a)) * 1000
  
  def i2f(int):
      return struct.unpack('<d', struct.pack('<Q', int))[0]
  
  def print_green(message):
      print('\033[92m' + message + '\033[0m');
  
  def print_yellow(message):
      print('\033[93m' + message + '\033[0m');
  
  def print_red(message):
      print('\033[91m' + message + '\033[0m');
  
new_contents: # -*- coding: utf-8 -*-
  
  import struct
  from math import cos, asin, sqrt
  
  def distance(lat1, lon1, lat2, lon2):
      p = 0.017453292519943295
      a = 0.5 - cos((lat2 - lat1) * p)/2 + cos(lat1 * p) * cos(lat2 * p) * (1 - cos((lon2 - lon1) * p)) / 2
      return 12742 * asin(sqrt(a)) * 1000
  
  def i2f(int):
      return struct.unpack('<d', struct.pack('<Q', int))[0]
  
  def print_green(message):
      print(u'\033[92m' + message.decode('utf-8') + '\033[0m');
  
  def print_yellow(message):
      print(u'\033[93m' + message.decode('utf-8') + '\033[0m');
  
  def print_red(message):
      print(u'\033[91m' + message.decode('utf-8') + '\033[0m');
  
subject: Fix encoding error when printing messages