We can see then using the built-in functions, globals(), locals(), and dir(). These parameters can be used to restrict the access of the function eval() to certain methods, variables, and objects while evaluating.īefore proceeding further, let us see what global and local objects we have in an empty idle. We know that the second and the third parameters of the eval() function are globals and locals. If the operation is not the one in the given options, then we print a message telling us that the wrong input is given. After this, we combine the function call strings and store them in the ‘fun variable.Ħ. Then we take the input of the two operandsĤ. This is done by checking if the name exists in the string of all the names.ģ. Then we check if the operation name is in the mentioned operations. First, we take the input of the operation.Ģ. Let us see some examples of using the eval() function.Įnter either “add” or “sub” or “prod” or “div”: divġ. This function returns the result on evaluating the input expression. locals: This is also a dictionary holding the local methods and variables globals: This is a dictionary that contains the global methods and variablesģ. expression: This is a string that is parsed and evaluated by the interpreterĢ. The description of these three parameters is :ġ. The first expression is a must, but the next two are default arguments with the default value None. eval(expression, globals=None, locals=None) Let us see the syntax of the eval() function. The function eval() is a built-in function that takes an expression as an input and returns the result of the expression on evaluation. In this article, you will be learning about the eval() function, its syntax, properties, and uses with examples.

The word ‘eval’ can be thought of as a short form for ‘evaluation’, which is the process of finding the output. The eval() function is one of the Python built-in functions.

Python floor function