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payment15 = pyfi.amortization(principal, interestRate, 12, 15 * 12)
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payment30 = pyfi.amortization(principal, interestRate, 12, 30 * 12)
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comp.Result.text = "15 year monthly payment: %.2f\n30 year monthly payment: %.2f" % (payment15, payment30)
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dialog.alertDialog(self, 'Please enter valid values', 'Input Value(s) Error')
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if __name__ == '__main__':
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app = model.Application(MyBackground)