<reponame>cyph3r-exe/python-practice-files<filename>Tkinter/tkmlrn12.py
from tkinter import *

root = Tk()
root.title("Simple Calculator")

e = Entry(root, width=35, borderwidth=5)
e.grid(column=0, row=0, columnspan=3, pady =10, padx =10)

e.insert(0, "Enter your number: ") #Entry Index

def button_click(number):
    current = e.get()
    e.delete(0, END)
    e.insert(0,  str(current) + str(number))

def delete():
    e.delete(0, END)

def button_add():
    first_number = e.get()
    global f_num
    f_num = int(first_number)
    e.delete(0, END)
    
def button_equal():
    second_number = e.get()
    e.delete(0, END)
    e.insert(0, f_num + int(second_number))


#Defining the buttons 
button_1 = Button(root, text = "1", padx=40, pady=10, command =lambda: button_click(1))
button_2 = Button(root, text = "2", padx=40, pady=10, command =lambda: button_click(2))
button_3 = Button(root, text = "3", padx=40, pady=10, command =lambda: button_click(3))
button_4 = Button(root, text = "4", padx=40, pady=10, command =lambda: button_click(4))
button_5 = Button(root, text = "5", padx=40, pady=10, command =lambda: button_click(5))
button_6 = Button(root, text = "6", padx=40, pady=10, command =lambda: button_click(6))
button_7 = Button(root, text = "7", padx=40, pady=10, command =lambda: button_click(7))
button_8 = Button(root, text = "8", padx=40, pady=10, command =lambda: button_click(8))
button_9 = Button(root, text = "9", padx=40, pady=10, command =lambda: button_click(9))
button_0 = Button(root, text = "0", padx=40, pady=10, command =lambda: button_click(0))

#? defining symbols
button_addition = Button(root, text = "+", padx=39, pady=10, command =lambda: button_click())
button_equation = Button(root, text ="=", padx=91, pady=10, command =lambda: button_click())
button_clear = Button(root, text = "Clear", padx=79, pady=10, command = delete())

 
#putting the buttons on the screen

#! Row 1 
button_1.grid(row=3, column=0)
button_2.grid(row=3, column=1)
button_3.grid(row=3, column=2)

#! Row 2 
button_4.grid(row=2, column=0)
button_5.grid(row=2, column=1)
button_6.grid(row=2, column=2)

#! Row 3
button_7.grid(row=1, column=0)
button_8.grid(row=1, column=1)
button_9.grid(row=1, column=2)

#! Row 4
button_0.grid(row=4, column=0)

#!Symbol Buttons styling
button_clear.grid(row=4, column=1, columnspan=2)
button_addition.grid(row=5, column=0)
button_equation.grid(row=5, column=1, columnspan=2)


root.mainloop()