Python Calculator Program with GUI Intercface Here is a Python program using the tkinter library to create a simple GUI-based calculator. This calculator can perform basic arithmetic operations like addition, subtraction, multiplication, and division. import tkinter as tk # Function to update the input field when a button is clicked def button_click(item): global expression expression = expression + str(item) input_text.set(expression) # Function to clear the input field def button_clear(): global expression expression = "" input_text.set("") # Function to evaluate the expression and display the result def button_equal(): global expression try: result = str(eval(expression)) # Evaluate the expression input_text.set(result) ...