Write a Python GUI program to take accept your birthdate and output your age when a button is pressed

Write a Python GUI program to take accept your birthdate and output your age when a button is pressed.

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CODE :

from tkinter import *  

from tkinter import messagebox  

def clearAll() :  

    dayField.delete(0, END)

    monthField.delete(0, END)

    yearField.delete(0, END)

    givenDayField.delete(0, END)

    givenMonthField.delete(0, END)

    givenYearField.delete(0, END)

    rsltDayField.delete(0, END)

    rsltMonthField.delete(0, END)

    rsltYearField.delete(0, END)

def checkError() :

    if (dayField.get() == "" or monthField.get() == ""

        or yearField.get() == "" or givenDayField.get() == ""

        or givenMonthField.get() == "" or givenYearField.get() == "") :

        messagebox.showerror("Input Error")  

        clearAll()

       

        return -1

def calculateAge() :  

    value = checkError()  

    if value == -1 :

        return      

    else :

       

        birth_day = int(dayField.get())    

        birth_month = int(monthField.get())

        birth_year = int(yearField.get())  

        given_day = int(givenDayField.get())    

        given_month = int(givenMonthField.get())

        given_year = int(givenYearField.get())  

       

        month =[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]       

        if (birth_day > given_day):  

            given_month = given_month - 1  

            given_day = given_day + month[birth_month-1]

                   

        if (birth_month > given_month):

            given_year = given_year - 1

            given_month = given_month + 12

                   

        calculated_day = given_day - birth_day;        

        calculated_month = given_month - birth_month;  

        calculated_year = given_year - birth_year;    

        rsltDayField.insert(10, str(calculated_day))

        rsltMonthField.insert(10, str(calculated_month))

        rsltYearField.insert(10, str(calculated_year))  

   

if __name__ == "__main__" :

    gui = Tk()      

    gui.configure(background = "light green")

    gui.title("Age Calculator")    

    gui.geometry("525x260")    

 

 

 

    dob = Label(gui, text = "Date Of Birth", bg = "#00ffff")

 

 

    givenDate = Label(gui, text = "Given Date", bg = "#00ffff")

    day = Label(gui, text = "Day", bg = "light green")

    month = Label(gui, text = "Month", bg = "light green")

    year = Label(gui, text = "Year", bg = "light green")

    givenDay = Label(gui, text = "Given Day", bg = "light green")

    givenMonth = Label(gui, text = "Given Month", bg = "light green")

    givenYear = Label(gui, text = "Given Year", bg = "light green")

    rsltYear = Label(gui, text = "Years", bg = "light green")

    rsltMonth = Label(gui, text = "Months", bg = "light green")

    rsltDay = Label(gui, text = "Days", bg = "light green")

    resultantAge = Button(gui, text = "Resultant Age", fg = "Black",

                     bg = "gray", command = calculateAge)

    clearAllEntry = Button(gui, text = "Clear All", fg = "Black",

                    bg = "Red", command = clearAll)

    dayField = Entry(gui)

    monthField = Entry(gui)

    yearField = Entry(gui)

   

    givenDayField = Entry(gui)

    givenMonthField = Entry(gui)

    givenYearField = Entry(gui)

   

    rsltYearField = Entry(gui)

    rsltMonthField = Entry(gui)

    rsltDayField = Entry(gui)

    dob.grid(row = 0, column = 1)

   

    day.grid(row = 1, column = 0)

    dayField.grid(row = 1, column = 1)

   

    month.grid(row = 2, column = 0)

    monthField.grid(row = 2, column = 1)

   

    year.grid(row = 3, column = 0)

    yearField.grid(row = 3, column = 1)

   

    givenDate.grid(row = 0, column = 4)

   

    givenDay.grid(row = 1, column = 3)

    givenDayField.grid(row = 1, column = 4)

   

    givenMonth.grid(row = 2, column = 3)

    givenMonthField.grid(row = 2, column = 4)

   

    givenYear.grid(row = 3, column = 3)

    givenYearField.grid(row = 3, column = 4)

   

    resultantAge.grid(row = 4, column = 2)

   

    rsltYear.grid(row = 5, column = 2)

    rsltYearField.grid(row = 6, column = 2)

   

    rsltMonth.grid(row = 7, column = 2)

    rsltMonthField.grid(row = 8, column = 2)

   

    rsltDay.grid(row = 9, column = 2)

    rsltDayField.grid(row = 10, column = 2)

    clearAllEntry.grid(row = 12, column = 2)

    gui.mainloop()

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