44 of 100 menu

Python Taskbook Level 5.4

Ask the user to enter an integer via console. Get the factorial of the entered number.

Write a program that will generate the following string:

'-1-2-3-4-5-'

Given a string:

'1 22 333 4444 22 5555 1'

Remove from this string all substrings in which the number of characters is more than three. In our case, we should get the following:

'1 22 333 22 1'
enru