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Great, you can write your own small Python

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instructions in the Python Shell and use variables

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to store and reuse data. Now is the time to go to

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the next step or the next level. In the following

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lessons, you are going to learn how to create more

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complete Python programs and reusable code.

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Writing instructions one by one in the Python

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Shell is nice to get studied and make some tests,

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but you will be quickly limited. What you need is

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to write Python programs in a text editor, so you

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can reuse and improve that program later on to be

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in real applications. So in this section, first,

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you will install a new software, which will allow

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you to write, save, and run Python programs. I will

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explain everything step by step. Then you are

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going to discover functions, which is one of the

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most important concepts you need to be able to go

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further. At the end of the section, you will be

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able to create your own Python programs with

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reusable blocks of code and also run those

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programs. And again, first watch all the lessons

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of the section without stopping and then come back

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to each lesson, take your time to understand, and

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do the exercise. Alright, let's get started.