Find index of missing number

[parthi1705]

Find missing number position / index based on the input

Here is the sample data.

def missing_numbers(num_list):
      original_list = [x for x in range(num_list[0], num_list[-1] + 1)]
      num_list = set(num_list)
      return (list(num_list ^ set(original_list)))

missing_numbers([1,2,3,4,6,7,10])
[5, 8, 9]
>>>

it returns 5 ,8,9, but how to say that the it is missing in the index of 4,7,8.

Output 1,2,3,4,5,6,7,8,9,10
Index 0,1,2,3,4,5,6,7,8,9

[perfringo]

You can obviously see pattern here: missing number - 1 = missing numbers index

[parthi1705]

Thanks !
What will happen if we have some thing like below.

missing_numbers([1,10,25,35,47,59,63,70])

This is sample data

missing_numbers([1,2,3,4,6,7,10])

[avorane]

I suggest this:

def missing_numbers(num_list):
      original_list = [x for x in range(num_list[0], num_list[-1] + 1)]
      diff_list = []
      for index, elt in enumerate(original_list):
          if elt not in num_list:
              diff_list.append((elt, index))
      return diff_list