#Python Basics | Python Tutorial for Beginners | #Python3 Programming

“Variable is a named location in the memory of computer characterized by a data type whose contents can change”
Variables are nothing but reserved memory locations to store values.
When you create a variable you reserve some space in memory.
Based on the data type of a variable, the interpreter allocates memory and decides what can be stored in the reserved memory.
By assigning different data types to variables, you can store integers, decimals or characters in these variables

Variables in Python, Assigning Values to Variables,Statements in Python, Python Standard Data Types
Python Numbers, Python Strings, Python Lists ,Python Tuples ,Python Dictionary, Python Data Type Conversion, Statements in Python, Python3 Standard Data Types, Python3 Numbers, Python3 Strings, Python3 Lists, Python3 Tuples, Python3 Dictionary, Python3 Data Type Conversion,
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at 0:5:43 In Python, variables are references to objects, the = operator does not store value in the variable but changes reference to the object specified by the right operand. the next assignment to the variable will make it refer to a different object. two variables may refer to the same object also. Unlike Java, even for the basic type like int, we have object. Everything is object in python.

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at 0:18:53, since python 3.x long is not a separate type, it uses int which is capable of taking singed whole number with any number of digits (like BigInteger of Java).

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at 0:35:20, curly braces are also used for set, when se specify key:value pair in curly braces then it is a dictionary.

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at 0:6:31, variables do not have fixed, in this case counter is not an integer type, the object refered from counter at this time is integer type, if we make another assignment to counter, counter will refer to a different object which may be a different type.

[pravinjain]

at 0:9:14, characters from index 2 upto 5(not included) i.e. index 2, 3 and 4 only will be displayed.