#9 Python Tutorial for Beginners | More on Variables in Python
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In this lecture we will learn:
Variables in Python
Memory area of variables in Python
How to get the address of a variable?
Garbage collection
Data types in Python
#1
Every variable has its address.
In Python, the id() function is used to get the address of a variable.
We can also assign the value of one variable to any other variable.
In python, whenever you create multiple variables and if they have the same data then they will point towards the same box or same memory area.
Everything is an object in Python.
Variables are also known as tags as we tag the value with a variable.
If the same variable store multiple values, then that variable will point towards the new memory area where the new value is get stored.
#2
If there is any data present in the memory that is not referenced by any variable, then that will be removed from the memory by the Garbage collector.
#3
The value of variables can be changed but the value of the constant remains the same.
In python, we represent constants through capital letters.
type() function is used to get the data type of value of a variable.
Besides in-built data types, we can also create our own types.
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