List to Dictionary
Input: `arr` (list). Return: Dict where keys are string indices ('0', '1'...) and values are elements.
Example
Input: 1, 2, 3
Output: {'0': 1, '1': 2, '2': 3}
Run your code to see output
Input: `arr` (list). Return: Dict where keys are string indices ('0', '1'...) and values are elements.
Input: 1, 2, 3
Output: {'0': 1, '1': 2, '2': 3}
Run your code to see output