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Learn Ruby the Hard Way: A Simple and Idiomatic Introduction to the Imaginative World of Computational Thinking with Code, Third Edition, Video Enhanced Edition by Zed A. Shaw

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Exercise 11. Asking Questions

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Now it is time to pick up the pace. You are doing a lot of printing to get you familiar with typing simple things, but those simple things are fairly boring. What we want to do now is get data into your programs. This is a little tricky because you have to learn to do two things that may not make sense right away—but trust me and do it anyway. It will make sense in a few exercises.

Most of what software does is the following:

1. Take some kind of input from a person.

2. Change it.

3. Print out something to show how it changed.

So far you have been printing strings, but you haven’t been able to get any input from a ...

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