Question: 
Write a function to combine two given sorted lists using heapq module.


Model's Code:
import heapq

def combine_lists(list1, list2):
    return list(heapq.merge(list1, list2))



Sample Correct Code:
from heapq import merge
def combine_lists(num1,num2):
  combine_lists=list(merge(num1, num2))
  return combine_lists


Asserts:
assert combine_lists([1, 3, 5, 7, 9, 11],[0, 2, 4, 6, 8, 10])==[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
assert combine_lists([1, 3, 5, 6, 8, 9], [2, 5, 7, 11])==[1,2,3,5,5,6,7,8,9,11]
assert combine_lists([1,3,7],[2,4,6])==[1,2,3,4,6,7]


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

Test 943 of 974: 724/943 (76.7762460233298%): success