dimensions of a +--+ box in Python 3.4

Question

This is my problem

Create a program that accepts a number inputted by the user. This number defines the dimensions of a square and can be any positive integer. An input of 1 will output:

    +--+
    +--+

while an input of 2 will output

    +--+--+
    +--+--+
    +--+--+

and an input of 3 will output

    +--+--+--+
    +--+--+--+
    +--+--+--+
    +--+--+--+

etc…Show outputs for user inputs of 1, 2, 3, and 4. 

Not entirely sure where to start on this one and would like some advice, however i'm not looking for a complete answer (after all, this is homework) but something to point me in the right direction would be very much appreciated.

Answer 1

Consider this:

"--".join("++")

Gives you one line of one box:

+--+

To repeat for multiple lines, you can do:

"--".join("+" * (some_count+1))

For this, you'd get the output:

+--+        # 1
+--+--+     # 2
+--+--+--+  # 3
...

Now we just need to repeat that for however many vertical lines. You could consider doing "\n".join to repeat, or you could use a for loop and print over multiple lines. That much is your job!