GUI.py

# This is the program for Calculating The Age with GUI Tkinter

import datetime
import tkinter as tk 
import messagebox
from tkinter import *
window=tk.Tk()
window.geometry("300x300")
window.configure(bg='light blue')
window.title(" Age Calculator App ")
messagebox.showinfo("Age Calculator", "Click here to calclulate your age")
name = tk.Label(text = "Name",bg='orange')
name.grid(column=0,row=1)
year = tk.Label(text = "Year",bg='White')
year.grid(column=0,row=2)
month = tk.Label(text = "Month",bg='green')
month.grid(column=0,row=3)
date = tk.Label(text = "Day")
date.grid(column=0,row=4)
nameEntry = tk.Entry()
nameEntry.grid(column=1,row=1)
yearEntry = tk.Entry()
yearEntry.grid(column=1,row=2)
monthEntry = tk.Entry()
monthEntry.grid(column=1,row=3)
dateEntry = tk.Entry()
dateEntry.grid(column=1,row=4)
def getInput():
    name=nameEntry.get()
    tiger = Person(name,datetime.date(int(yearEntry.get()),int(monthEntry.get()),int(dateEntry.get())))
    textArea = tk.Text(master=window,height=10,width=25)
    textArea.grid(column=1,row=5)
    answer = " Heyy {tiger}!!!. You are {age} years old!!! ".format(tiger=name, age=tiger.age())
    textArea.insert(tk.END,answer)

button=tk.Button(window,text="Calculate Age",command=getInput,bg="red")
button.grid(column=1,row=5)

class Person:
    def __init__(self,name,birthdate):
        self.name = name
        self.birthdate = birthdate
    def age(self):
        today = datetime.date.today()
        age = today.year-self.birthdate.year
        return age
window.mainloop()