Python eval() Function

The python eval() function parses the expression passed to it and runs python expression(code) within the program.

Signature

Parameters

expression – The string is parsed and evaluated as a Python expression.

globals (optional) – A dictionary that specifies the available global methods and variables.

locals (optional) – It is an another dictionary which is commonly used for mapping type in Python.

Return

It returns the result evaluated from the expression.

Python eval() Function Example 1

The below example shows the working of eval():

Output:

6  

Explanation: In the above example, we take an integer variable named x, and eval() function parses the expression and returns result evaluated from the expression.