Problem
How to create a python program that reads an upper boundary N from the keyboard and then prints all the numbers from 1 to N, ten per line, that are divisible by either 6 or 7 (or both). The numbers in a printed line are separated by exactly one space. An execution might look like this:
A positive upper boundary N: 100
Divisible number in range 1 to 100
6 7 12 14 18 21 24 28...