Intereses p7

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#!/usr/bin/env python # -*- coding: utf-8 -*- import sys from Tkinter import * import tkMessageBox def interes(): v1 = int(ent1.get()) v2 = int(ent2.get()) v3 = int(ent3.get()) r = v1 * v2 / 100 g=(r * v3) f= g + v1 print "Cuando pasen", v3, "anos, con un interes de", v2, " usted habra generado",f , "pesos" v = Tk() v.title("Interes") v.geometry("400x250") vp= Frame(v) vp.grid(column=0, row=0, padx=(50,50), pady=(10,10)) vp.columnconfigure(0, weight=1) vp.rowconfigure(0,weight=1) e1 = Label(vp, text="Pesos:") e1.grid(row=2, column=4, padx=(20, 20), pady=(20, 20)) e2 = Label(vp, text="Interes:") e2.grid(row=3, column=4, padx=(20, 20), pady=(20, 20)) e3 = Label(vp, text="Anos:") e3.grid(row=4, column=4, padx=(20, 20), pady=(20, 20)) val1 = "" ent1 = Entry(vp, width=12, textvariable=val1) ent1.grid(row=2, column=5) val2 = "" ent2 = Entry(vp, width=12, textvariable=val2) ent2.grid(row=3, column=5) val3 = "" ent3 = Entry(vp, width=12, textvariable=val3) ent3.grid(row=4, column=5) b1 = Button(vp, text="Calcular", command=interes) b1.grid(row=5, column=5, padx=(20, 20), pady=(20, 20)) v.mainloop()