Das deutsche Python-Forum

Code: Alles auswählen

import Tkinter as tk

def button_action():
    i = float(entryfield.get())
    j = float(entryfield1.get())
    
    preis = i
    rabatt = j

    if (preis =="") and (rabatt == ""):
        welcome_label.config(text="Gebe bitte einen Wert ein!")
    

    else:    
        result =preis - preis/100*rabatt // muss irgendwie in string konvertiert werden
           
            
        
    
        welcome_label.config(text="Der neue preis ist " + result)

fenster = tk.Tk()
fenster.title(" Rabattrechner")
Lable1 = tk.Label(fenster,text = "Preis:")
Lable2 = tk.Label(fenster,text = "Prozent:")


entryfield=tk.Entry(fenster,bd=5,width=40)
entryfield1=tk.Entry(fenster,bd=5, width=40)
welcome_label = tk.Label(fenster)
exit_button = tk.Button(fenster, text= "Beenden",command=fenster.quit)
Lable1.pack()
Lable2.pack()
entryfield.pack()
entryfield1.pack()
welcome_label.pack()
exit_button.pack()
welcome_button = tk.Button(fenster,text = "Berechne", command = button_action)
welcome_button.pack()
fenster.mainloop()