Python Taskbook Level 5.7
Ask the user to enter their phone number. Check if they entered the correct value.
Ask the user to enter ten numbers. Store the resulting numbers in a list, then take the arithmetic mean of these numbers and display the result.
Output to the console the dates of all weekends of the current year in the format year-month-day.
Given a number:
123456
Find the sum of the pairs of digits of this number. In our case, we mean the following:
12 + 34 + 56
