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Install Python on Linux

Most Linux distributions come with Python installed. To check if your Linux distribution contains Python, open the shell and run the following command:

python --version

You should get an output like this one, which displays the version of Python installed:

programmer@ubuntu:~$ python --version
Python 2.7.6

If you don’t have Python installed or would like to install a newer version, run the following command (works in Debian-based distributions, such as Ubuntu):

sudo apt-get install python3

Follow the instructions to install Python.

 

To install Python in RPM-based distributions (e.g. SUSE) use the tools for software management included in those distributions. For example, in SUSE, you would use the YAST tool.

• Install Python on Windows
• Add Python to the Windows Path

Python course

• Introduction
• Python overview
• Install Python on Windows
• Install Python on Linux
• Add Python to the Windows Path
• Run Python code
• Interactive prompt
• IDLE editor
• Command line
• Help mode
• Basic programs
• Write your first program
• Use comments
• What are variables?
• Variable data types
• Variable names
• Numeric variables
• Strings
• Get the current date and time
• Operators overview
• Arithmetic operators
• Comparison operators
• Logical operators
• Assignment operators
• Membership operators
• Identity operators
• Conditional statements
• The if statement
• Get user input
• The if...else statement
• The if...elif statement
• Nested if statements
• Use logical operators
• Loops
• The for loop
• Use for loop with the range() function
• The break statement
• The continue statement
• The pass statement
• Use else statement in loops
• The while loop
• Nested loop statements
• Errors
• Types of errors
• Syntax and logical errors
• The try...except statements
• The try...except...else statements
• The try...except...finally statements
• Catch specific exceptions
• Raise exception
• Nest exception handling statements
• Modules
• What are modules?
• Import modules
• Find files on disk
• Display module content
• Strings
• What are strings?
• Escape characters
• Access individual characters
• String functions
• Search strings
• Concatenating strings
• Lists, sets, tuples, dictionaries
• What are lists?
• Modify lists
• Loop through a list
• Check whether a value is in a list
• Sorting lists temporarily
• Sorting lists permanently
• Obtaining the list length
• What are sets?
• What are dictionaries?
• Add new key-value pair to a dictionary
• Modify a value in a dictionary
• Delete a key-value pair in a dictionary
• Loop through a dictionary
• What are tuples?
• Looping over a tuple
• Working with files
• How to read and write files
• Read a file
• Read and write – with statement
• Make a list of lines from a file
• Functions
• What are functions?
• Return statement
• Positional arguments
• Keyword arguments
• Default values for parameters
• Flexible number of arguments
• Variable scopes

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