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Python

Why do people use Python?

  • Software quality (readable, reusable and maintainable)
  • Developer productivity (is typically one-third to one-fifth the size of equivalent C++ or Java code)
  • Program portability (Most Python programs run unchanged on all major computer platforms)
  • Support libraries (Python comes with a large collection of prebuilt and portable functionality)
  • Component integration (Python scripts can easily communicate with other parts of an application)
  • Enjoyment (Easy to built-in toolset)

Is Python a “Scripting Language”

Python is a general-purspose programming language that is often applied in scripting roles. It is commonly defined as an object-oriented scripting language- a definition that blends support for OOP with and overall orientation toward scripting roles.

What are Python’s technical strengths?

  • It’s Object-Oriented and Functional
  • It’s free (To use and distribute)
  • It’s open source
  • It’s portable
  • It’s powerful
  • It has a large collection of precoded library tools
  • It’s mixable (Ex. Python’s C API lets C programs call and be called by Python)

First Script

import sys
print(sys.platform)
print(2 ** 100)
x = 'spam!'
print(8 * x)

In this code we are:

  • Loading sys library
  • raise 2 to a 100 power
  • Uses x to string repetition

To run this script type in your terminal:

python script1.py

Module’s files

To exemplify this create the folloing file: myfile.py and add this line:

title='The Meaning of Life'

Then write a new file called: use_myfile.py and add this line:

import myfile
print('The secret is: ' + myfile.title)

Finally run your use_myfile.py:

python use_myfile.py

When this file is imported, its code is run to generate the module’s attribute. That is, the assignment statement creates a variable and module attribute named title.

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