import tkinter as tk
from tkinter.constants import *
from tkinter import font 

class Fenetre(tk.Tk):
    def __init__(self):
        tk.Tk.__init__(self)
        self.title("Calculatrice")
        self.geometry("400x600")
        self.configure(bg='pink')
        self.font= font.Font(family="Arial", size=30, weight="bold" )
        #configuration des lignes et des colonnes afin de bien placer les boutons
        self.grid_rowconfigure(0, weight = 4)
        for i in range(1, 5):
            self.grid_rowconfigure(i, weight = 1)
        for j in range(4):
            self.grid_columnconfigure(j, weight = 1)
        #ajout de l'ecran et des boutons de la calculatrice
        self.texte = ""
        self.ecran = tk.Label(self, text=self.texte,font=("Arial", 60), bg="#EDFAF0")
        self.ecran.grid(row = 0, column=0, columnspan=4, sticky="nsew")
        touches = ("7", "8", "9", "+", "4", "5", "6", "-", "1", "2", "3", "*", "0", ",", "=", "/")
        ligne = 1
        colonne = 0
        for touche in touches:
            tk.Button(self, text=touche,command=lambda t=touche:self.calculer(t), font = self.font).grid(row=ligne, column = colonne)
            colonne += 1
            if colonne == 4:
                colonne = 0
                ligne += 1
                
        def calculer(self, element):
            #if element == "=":
            self.texte = self.texte + element
            self.ecran.config(text=self.texte)
window = Fenetre()
window.mainloop()