Python functionality and evolution
Installing Python (windows and Ubuntu)
IDLE (Integrated Development and Learning Environment)
Write the first python program and execute it
Keywords in Python
Identifiers in Python
Indentation in Python
Comments in Python
Multi-line Comments in Python
Getting user input
Python Function
Calling a function
Arguments in Function
Scope of Variables
Modules in Python
The PYTHON PATH-Variable
Python File Open
Python File Opening Modes
The file-Object-Attributes
Python File Close() Method
Python File Read/Write
Python File Position
Renaming and Deleting Files in Python
Python Directory Methods
File/Directory Methods
Exceptions in Python
The try-finally Clause
The argument of Exception
Raising Exceptions
Python Built-in Exceptions
Python OOPs Concepts
Python Classes/Objects
Creating Instance Objects
Accessing Attributes
Built-In Class Attributes
Garbage Collection
Python Inheritance
Overriding Methods
Method overriding
Data Hiding
Regular Expression
The match function
The search function
Match Object Methods & Description
Matching or Searching
Search or Replace
Regular Expression Modifiers / Option Flags
Grouping with Parentheses
Python Socket Programming
Python Socket Server
Python Socket Client
Send Data Between Clients
Python Socket or Server
Python Socket Clients
Points to ponder
Variables are containers for storing data values. A variable is created the moment you first assign a value to it. You need not to assign int, string or character Python automatically recognizes variables that is the beauty of python as compared to Java. Write below code in IDLE and see output 5 will print as int.
x = 5
print(x)
variables do not need to declare and it automatically declares as shown above. The output of the above is 5.
Another example is
x = “hello python”
print(x)
print(x) will print hello python. Python automatically declares string or integer.
Global Variables is variable created outside of a function or any class like shown below. Write below code in IDLE and run it.
Output would be:
Python is abc # + operator to separate value
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