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David Beazley
2020-05-26 15:05:19 -05:00
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Notes/03_Program_organization/01_Script.md
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# 3.1 Python Scripting
# 3.1 Scripting
In this part we look more closely at the practice of writing Python
scripts.
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In this exercise, we’re going take this program and organize it a little more strongly around the use of functions.
### (a) Structuring a program as a collection of functions
### Exercise 3.1: Structuring a program as a collection of functions
Modify your `report.py` program so that all major operations,
including calculations and output, are carried out by a collection of
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* Create a function `print_report(report)` that prints out the report.
* Change the last part of the program so that it is nothing more than a series of function calls and no other computation.
### (b) Creating a function for program execution
### Exercise 3.2: Creating a function for program execution
Take the last part of your program and package it into a single function `portfolio_report(portfolio_filename, prices_filename)`.
Have the function work so that the following function call creates the report as before:
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>>>
```
[Next](02_More_functions)
[Contents](../Contents) \| [Previous (2.7 Object Model)](../02_Working_with_data/07_Objects) \| [Next (3.2 More on Functions)](02_More_functions)