import unittest
import io
import re
from unittest import mock
import math
import student_X as main #Replace student_X with your filename 
import sys
import io
from io import StringIO
    
    
    
 

class MilesTests(unittest.TestCase):
    
    def test_default_case(self):
        function = main.miles
        
        with mock.patch('sys.stdout', new=io.StringIO()) as fake_stdout:
            function()

        output = fake_stdout.getvalue().strip()
        
        
        correct = ("6.21118" in output) or ("6.2137" in output)
        message = "You don't have the correct number of miles."
        self.assertTrue(correct, message)
        
        correct = ("There are 6.21118" in output and " miles in 10 kilometers." in output) or ("There are 6.2137" in output and " miles in 10 kilometers." in output)
        message = "You're not printing the correct statement."
        self.assertTrue(correct, message)
        
        
if __name__ == "__main__":
    tests = MilesTests()
    tests.test_default_case()