This will allow us to modify the value of the var variable inside this function. We have then used the global keyword along with the var variable within this function. We have then defined a function that will be called whenever the user presses the button ' 1'. In the above snippet of code, we have defined some variables and initialized them with initial values. # setting the initial values of some variables Let us now consider the following snippet of code demonstrating the same: We will now start by importing the required libraries and modules. Step 5: Adding the buttons to the GUI calculator Defining Functions Step 2: Creating the window for the GUI calculator This implementation of the project will be carried out stepwise: In the following section, we will see the code implementation of the GUI calculator in the Python programming language. Code Implementation of the GUI calculator in Python Now that we have understood the structure of the GUI calculator that we are going to build, we can head onto the code section. We can attach a method or a function to a button called automatically whenever we click the button. These buttons can show text or images that express the objective of the buttons. Python Tkinter Buttons: The Button widget is utilized to insert buttons in a Python application. Once we include the frames in the structure of the GUI calculator, its structure will look like this: This will allow us to simplify the complex design. If we put these segments in one frame, this frame will act as a parent element. Suppose the label as one segment and then the buttons into a different segment. We can divide this root window section by section. These widgets provide the mainframes to the child elements and allow us to divide the entire layout of the application frame by frame.įor example, we run the application having a structure consisting of a label at the beginning and then some buttons on a root window. Frames in Python act as the containers for its child elements. Python Tkinter Frame: The Frame widget is a type of widget only. This widget is utilized to provide the message to the user related to the other widgets utilized in the Python application. Python Tkinter Label: The Label widget is utilized to specify the container box where the user can set the text or images. The above structure consists of Labels, Frames, and Buttons. The following is the structure of the GUI Calculator that we will build. This analysis will make the work much more efficient and effective. In order to start building the GUI calculator, it becomes necessary for us to understand its structure. Understanding the Structure of the GUI Calculator parent:This option is utilized to denote the window on top of which the message box is displayed.default:This option is utilized to denote the default button such as ABORT, RETRY, or IGNORE in the message box.**options:There are two options that can be utilized here:.message:This argument is also a string that consists of the message to be displayed on the message box.title:This argument is a string that signifies a title of a message box.NameOfTheFunction:This argument is utilized to represent an appropriate function for the message box.Messagebox.NameOfTheFunction(title, message, **options) Python Tutorial Python Features Python History Python Applications Python Install Python Example Python Variables Python Data Types Python Keywords Python Literals Python Operators Python Comments Python If else Python Loops Python For Loop Python While Loop Python Break Python Continue Python Pass Python Strings Python Lists Python Tuples Python List Vs Tuple Python Sets Python Dictionary Python Functions Python Built-in Functions Python Lambda Functions Python Files I/O Python Modules Python Exceptions Python Date Python Regex Python Sending Email Read CSV File Write CSV File Read Excel File Write Excel File Python Assert Python List Comprehension Python Collection Module Python Math Module Python OS Module Python Random Module Python Statistics Module Python Sys Module Python IDEs Python Arrays Command Line Arguments Python Magic Method Python Stack & Queue PySpark MLlib Python Decorator Python Generators Web Scraping Using Python Python JSON Python Itertools Python Multiprocessing How to Calculate Distance between Two Points using GEOPY Gmail API in Python How to Plot the Google Map using folium package in Python Grid Search in Python Python High Order Function nsetools in Python Python program to find the nth Fibonacci Number Python OpenCV object detection Python SimpleImputer module Second Largest Number in Python
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