Random Expression Creator

[j.crater]

Using string's format method will save you a lot of trouble with formatting your strings. There are plenty of resources online, as well as a tutorial on our forum.
You are also not using input (line 44) the right way, see this or this.
Use string formatting to construct the string you want to display, and you can also save it to a variable to compare against. If I understood your intentions correctly, that is...