Example:4
Python script to take input for two numbers, further calculate and print their sum, product and difference using different buttons.
Sol:
Output:
#textbox/Entry
from tkinter import *
window = Tk()
window.title("Sum, Product and Difference 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 sum():
#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=200)
def product():
#res = "Welcome " + txt.get()
a=int(txt_1.get())
b=int(txt_2.get())
c=a*b
lbl_3=Label(window,text=" Product = "+str(c))
lbl_3.place(x=20,y=200)
def difference():
#res = "Welcome " + txt.get()
a=int(txt_1.get())
b=int(txt_2.get())
if(a>b):
c=a-b
else:
c=b-a
lbl_3=Label(window,text=" Difference = "+str(c))
lbl_3.place(x=20,y=200)
def clear():
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=200)
btn_1 = Button(window, text="Sum", command=sum)
btn_1.place(x=10, y=100)
btn_1 = Button(window, text="Product", command=product)
btn_1.place(x=60, y=100)
btn_1 = Button(window, text="Difference", command=difference)
btn_1.place(x=120, y=100)
btn_2 = Button(window, text="Clear", command=clear)
btn_2.place(x=40, y=140)
btn_3 = Button(window, text="Exit", command=window.destroy)
btn_3.pack()
btn_3.place(x=100, y=140)
window.mainloop()
