How to Create Dynamic Variable Name in Python?

A dynamic variable name, often known as a variable, is a variable whose name is an estimation of another variable.

It is nothing but a user-given name.
Despite the fact that Python is a highly dynamic language in which almost everything is an object, dynamic variables can be created in Python.

We use the below methods to create a dynamic variable name:

Using globals() function
Using locals() function
Using exec() function
Using vars() function

globals() function in python:

The globals() function in Python returns a dictionary that contains the current global symbol table.

The globals() method retrieves the current global symbol table’s dictionary.

A symbol table is a data structure maintained by a compiler that contains all relevant program information.

Variable names, methods, classes, and so forth are examples of this.

There are two types of symbol tables:

Local symbol table
Global symbol table

locals() function in python:

The local symbol table maintains all information relating to the program’s local scope and is accessed in Python via the locals() function.

Method #1: Using globals() function

Approach:

Give some random dynamic variable name as static input and store it in a variable.
Assign the above dynamic variable name with some other random name using the globals() function
Print the value of the dynamic variable which is initialized at the first.
The Exit of the Program.

Below is the implementation:

# Give some random dynamic variable name as static input and store it in a variable.
dynamicvariable= "hello"

# Assign the above dynamic variable name with some other random name using the 
# globals() function 
globals()[dynamicvariable] = "Python-programs"

# Print the value of the dynamicvariable which is initialized at the first.
print(hello)

Output:

Python-programs

Method #2: Using locals() function

Approach:

Give some random dynamic variable name as static input and store it in a variable.
Assign the above dynamic variable name with some other random name using the locals() function
Print the value of the dynamic variable which is initialized at the first.
The Exit of the Program.

Below is the implementation:

# Give some random dynamic variable name as static input and store it in a variable.
dynamicvariable= "hello"

# Assign the above dynamic variable name with some other random name using the 
# locals() function 
locals()[dynamicvariable] = "Python-programs"

# Print the value of the dynamicvariable which is initialized at the first.
print(hello)

Output:

Python-programs

Method #3: Using exec() function

Approach:

Give some random dynamic variable name as static input and store it in a variable.
Assign the above dynamic variable name with some other random name(here we used number) using the exec() function
Print the value of the dynamic variable which is initialized at the first.
The Exit of the Program.

Below is the implementation:

# Give some random dynamic variable name as static input and store it in a variable.
dynamicvariable= "hello"

# Assign the above dynamic variable name with some other random name using the 
# exec() function 
exec("%s = %d" % (dynamicvariable, 2011))

# Print the value of the dynamicvariable which is initialized at the first.
print(hello)

Output:

Method #4: Using vars() function

Approach:

Give some random dynamic variable name as static input and store it in a variable.
Assign the above dynamic variable name with some other random name using the vars() function
Print the value of the dynamic variable which is initialized at the first.
The Exit of the Program.

Below is the implementation:

# Give some random dynamic variable name as static input and store it in a variable.
dynamicvariable= "welcome"

# Assign the above dynamic variable name with some other random name using the 
# vars() function 
vars()[dynamicvariable] = "Python-programs"

# Print the value of the dynamicvariable which is initialized at the first.
print(welcome)

Output:

Python-programs