Question: 
Write a function to find the maximum difference between available pairs in the given tuple list.


Model's Code:
def max_difference(tuples):
    return max(abs(a - b) for a, b in tuples)



Sample Correct Code:
def max_difference(test_list):
  temp = [abs(b - a) for a, b in test_list]
  res = max(temp)
  return (res) 


Asserts:
assert max_difference([(3, 5), (1, 7), (10, 3), (1, 2)]) == 7
assert max_difference([(4, 6), (2, 17), (9, 13), (11, 12)]) == 15
assert max_difference([(12, 35), (21, 27), (13, 23), (41, 22)]) == 23


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

Test 63 of 974: 48/63 (76.19047619047619%): success