Python exec() Function

The python exec() function is used for the dynamic execution of Python program which can either be a string or object code and it accepts large blocks of code, unlike the eval() function which only accepts a single expression.

Signature

exec(object, globals, locals)

Parameters

object – It should be either string or code object.

globals (optional) – It is used to specify global functions.

locals (optional) – It is used to specify local functions.

Let’s see some examples of exec() function which are given below:

Python exec() Function Example 1

This example shows working of exec() function.

Output:

True  9  

Python exec() Function Example 2

This example shows exec() dynamic code execution

Output:

Enter Code Snippet to execute:  print(sqrt(16))  4.0  Enter Code Snippet to execute:  print(min(2,1))  1  Done