Python Tkinter 7

Example:2
Python script to take input for two numbers, further calculate and print sum of numbers.
Sol:

Output:

#textbox/Entry
from tkinter import *
window = Tk()
window.title("Sum of two numbers ")
window.geometry('350x200')
#1st label and textbox
lbl_1 = Label(window, text="Enter 1st no ")
lbl_1.place(x=20, y=40)
txt_1 = Entry(window,width=10)
txt_1.place(x=120, y=40)
#2nd label and textbox
lbl_2 = Label(window, text="Enter 2nd no ")
lbl_2.place(x=20, y=70)
txt_2 = Entry(window,width=10)
txt_2.place(x=120, y=70)
#label to display sum
lbl_3=Label(window,text="")
lbl_3.place(x=20,y=140)

def clicked1():
    #res = "Welcome  " + txt.get()
    a=int(txt_1.get())
    b=int(txt_2.get())
    c=a+b
    lbl_3=Label(window,text=" Sum = "+str(c))
    lbl_3.place(x=20,y=140)

def clicked2():
    res = " "
    txt_1=Entry(window,width=10,text=res)
    txt_1.place(x=120, y=40)
    txt_2=Entry(window,width=10,text=res)
    txt_2.place(x=120, y=70)
    lbl_3=Label(window,text="                       ")
    lbl_3.place(x=20,y=140)

    
btn_1 = Button(window, text="Calculate", command=clicked1)
btn_1.place(x=20, y=100)
btn_2 = Button(window, text="Clear", command=clicked2)
btn_2.place(x=120, y=100)
btn_3 = Button(window, text="Exit", command=window.destroy)
btn_3.pack()
btn_3.place(x=220, y=100)

window.mainloop()

Example:3
Python script to take input for two numbers, further calculate and print their sum, product and difference.
Sol:

Output:

#textbox/Entry
from tkinter import *
window = Tk()
window.title("Sum of two numbers ")
window.geometry('350x300')
#1st label and textbox
lbl_1 = Label(window, text="Enter 1st no ")
lbl_1.place(x=20, y=40)
txt_1 = Entry(window,width=10)
txt_1.place(x=120, y=40)
#2nd label and textbox
lbl_2 = Label(window, text="Enter 2nd no ")
lbl_2.place(x=20, y=70)
txt_2 = Entry(window,width=10)
txt_2.place(x=120, y=70)
#label to display sum
lbl_3=Label(window,text="")
lbl_3.place(x=20,y=140)

def clicked1():
    #res = "Welcome  " + txt.get()
    a=int(txt_1.get())
    b=int(txt_2.get())
    c=a+b
    lbl_3=Label(window,text=" Sum = "+str(c))
    lbl_3.place(x=20,y=140)
    c=a*b
    lbl_3=Label(window,text=" Product = "+str(c))
    lbl_3.place(x=20,y=180)
    if(a>b):
        c=a-b
    else:
        c=b-a
    lbl_3=Label(window,text=" Difference = "+str(c))
    lbl_3.place(x=20,y=220)

def clicked2():
    res = " "
    txt_1=Entry(window,width=10,text=res)
    txt_1.place(x=120, y=40)
    txt_2=Entry(window,width=10,text=res)
    txt_2.place(x=120, y=70)
    lbl_3=Label(window,text="                         ")
    lbl_3.place(x=20,y=140)
    lbl_3=Label(window,text="                          ")
    lbl_3.place(x=20,y=180)
    lbl_3=Label(window,text="                            ")
    lbl_3.place(x=20,y=220) 

    
btn_1 = Button(window, text="Calculate", command=clicked1)
btn_1.place(x=20, y=100)
btn_2 = Button(window, text="Clear", command=clicked2)
btn_2.place(x=120, y=100)
btn_3 = Button(window, text="Exit", command=window.destroy)
btn_3.pack()
btn_3.place(x=220, y=100)


window.mainloop()

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