Eval function is mostly used in situations or applications which need to evaluate mathematical expressions. Also if the user wants to evaluate the string into code then can use eval function, because eval function evaluates the string expression and returns the integer as a result.

What is eval function used for?

The eval() function evaluates or executes an argument. If the argument is an expression, eval() evaluates the expression. If the argument is one or more JavaScript statements, eval() executes the statements.

What are the advantages of eval function in Python?

The eval() allows us to execute arbitrary strings as Python code. It accepts a source string and returns an object. Global namespace to use while executing the source.