This is the section of this chapter that we all have been waiting for; we are going to create the application entry point and glue together all the pieces of code that we have written so far.
Let's create a file called __main__.py in the currency_converter/currency_converter directory. We have already used the _main__ file before in Chapter 1, Implementing the Weather Application. When we place a file called __main__.py in the module's root directory, it means that that file is the entry script of the module. So, if we run the following command:
python -m currency_converter
It is the same as running:
python currency_converter/__main__.py
Great! So, let's start adding content to this file. First, add some ...
