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Feb 18th, 2019
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  1. from tkinter import *
  2. fenster = Tk()
  3. fenster.title("Zinsenrechner")
  4. fenster.geometry("400x300")
  5.  
  6. label1 = Label(fenster,text="Kapital: ")
  7. label1.pack()
  8.  
  9. eingabe = Entry(fenster)
  10. eingabe.pack()
  11.  
  12. label3 = Label(fenster,text="Zinsen: ")
  13. label3.pack()
  14.  
  15. eingabe3 = Entry(fenster)
  16. eingabe3.pack()
  17.  
  18.  
  19. label5 = Label(fenster,text="Raten: ")
  20. label5.pack()
  21.  
  22. eingabe2 = Entry(fenster)
  23. eingabe2.pack()
  24.  
  25.  
  26.  
  27.  
  28.  
  29.  
  30. def rechner():
  31. k = float(eingabe.get())
  32. r = float(eingabe2.get())
  33. z = float(eingabe3.get())
  34. zinsen= 0
  35. i = 0
  36. tilgung = 0
  37. jahre = 0
  38.  
  39. while (k >= 0):
  40. zinsen = ((k / 100) * z / 12)
  41. tilgung = r - zinsen
  42. print(tilgung)
  43. k = k - tilgung
  44. i = i + 1
  45.  
  46.  
  47. label3.configure(text=" %.f Monate " % i)
  48.  
  49.  
  50.  
  51.  
  52.  
  53. button1 = Button(fenster,text="Berechnen",command=rechner)
  54. button1.pack()
  55.  
  56.  
  57. label3 =Label(fenster,text=(""))
  58. label3.pack()
  59.  
  60.  
  61.  
  62. mainloop()
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