Login and get codingWrite a Python function that calculates the sum of a list of (int) numbers:

- The function should accept a list of numbers and return the sum of those numbers.
- If no argument is provided (that is,
`numbers`

is`None`

), return the sum of the numbers 1 to 100 (Notethat this is not the same as an empty list of numbers being passed in. In that case the sum returned will be 0).Have fun!

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