AFlexSystem. Python: Python Programming Guide - Learn Python In 24 hours or less (programming guides)

To be able to use python, you need to ensure that your computer has all the requirements needs to run python. This chapter offers you all the instructions you need to follow to get started. There are different settings for python depending with the computer you want to use.

If you are using Mac OS X computers: You will not need to install Python program since you already have a Python 2. Neither will you need a any other version such as Python 3.

Warning

You many need other programs such as PowerShell if you are going to use windows, Terminal when using OS X and bash if you prefer using Linux. But if this is your first time using this program, then you will need to learn how they can be used first.

However, the most basic requirements include having Python program and everything starts here:

How do I install python?

This is a very simple process

• First, download the latest version of python and for compatibility with other programs that you may need, use the product version 2.7.1 of python. Find it in the following link: Python Download .
• Do you know how to install a program on a computer? Yes, just double click the icon downloaded from your download folder and wait for further instructions.
• But, ensure that you accept all the default settings of the program till you are asked to press the finish button.
• The program will then inform you if the installation is completed.

Getting ready to use Python

• Check to see that all programs are in the right locations: start from My Computer , locate the directory C: \ python 27. You should be able to locate all the python program files here.
• Next, copy all the details of the directory beginning from C: to and exit from the window.
• Then, go for the start button, and right click on My Computer .
• Select p roperties .
• Select; Advanced System Settings .
• Click on Environment Variables .
• In that folder, search for the folder variable path.
• Go for the file called Path and right click on it, select edit.
• Search for the field called Variable Value using the right arrow.
• Introduce a semi colon at the end of the word and past the directory path of the python folder you had copied previously.
• Then press on the okay button.

How to create a first Python Program

• Go to start, and then my computer
• Select drive C and click on it.
• Click on the Python 27 folder.
• Next, right click on the space and create a new folder.
• Name the new folder Python Programs
• Save all the new programs you create in this folder.
• Then go to Start and type Run in the Search box at the bottom and press ENTER.
• Next, type notepad in the new window field referred to as Open .
• Type the following words in Notepad just as it is written here:

# File: Hello.py

print "Hello World!"

• Go for the file in the control panel and select Save As.
• In the section Save in browse for the C: drive and then select the folder PythonPrograms .
• For the field File name remove everything that is there and type in Hello.py .
• In the field Save as type select All Files
• Click on Save . You have just created your first Python program.

Run the program you have just created

• Click on the Start button and click on Run .
• Input cmd in typing field followed by OK.
• A new dark small window will pop up.
• In the new window, type cd C:\ and then press the key Enter.
• However, in case you type dir . You will get a list of all the directory folders in the drive C:\.
• Search for the folder labeled Py thonPrograms created by you in the previous step.