Create a function that takes the age in years and returns the age in days.
Examples
calc_age(65) ➞ 23725
calc_age(0) ➞ 0
calc_age(20) ➞ 7300
Notes
- Use 365 days as the length of a year for this challenge.
- Ignore leap years and days between last birthday and now.
- Expect only positive integer inputs.