Question: 
Write a function to move all the numbers in it to the given string.


Model's Code:
def move_num(s):
    letters = ''.join(filter(str.isalpha, s))
    numbers = ''.join(filter(str.isdigit, s))
    return letters + numbers



Sample Correct Code:
def move_num(test_str):
  res = ''
  dig = ''
  for ele in test_str:
    if ele.isdigit():
      dig += ele
    else:
      res += ele
  res += dig
  return (res) 


Asserts:
assert move_num('I1love143you55three3000thousand') == 'Iloveyouthreethousand1143553000'
assert move_num('Avengers124Assemble') == 'AvengersAssemble124'
assert move_num('Its11our12path13to14see15things16do17things') == 'Itsourpathtoseethingsdothings11121314151617'


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 619 of 974: 461/619 (74.47495961227787%): success