beyler bilgisayar programlama bilen acil

#!/usr/bin/env python
from PyQt4 import QtCore, QtGui
from PyQt4.QtGui import *
import sys
import math

class YeniPencere(QMainWindow):
def __init__(self):
super(YeniPencere, self).__init__()
self.cw = QWidget(self)
self. initUI()

def initUI(self):
self. setWindowTitle("Denklem Cozucu")
self. resize(600, 400)
etiket = QtGui. QLabel("Hesaplanmasini istediginiz denklemin katsayilarini yerlestiriniz")
etiket. setStyleSheet('color: red; font: bold 14px')
Button = QtGui. QPushButton("Kapat")
Button. clicked.connect(QtCore. QCoreApplication.instance().quit)
global a
a = QtGui. QLineEdit(self)
global b
b = QtGui. QLineEdit(self)
global c
c = QtGui. QLineEdit(self)
a.setStyleSheet('color: red; font: bold 40px')
b.setStyleSheet('color: red; font: bold 40px')
c.setStyleSheet('color: red; font: bold 40px')
a.textChanged[str].connect(self. hesapla)
b.textChanged[str].connect(self. hesapla)
c.textChanged[str].connect(self. hesapla)

x2 = QtGui. QLabel("x^2+")
x2.setStyleSheet('color: blue; font: bold 40px')
x = QtGui. QLabel("x+")
x.setStyleSheet('color: blue; font: bold 40px')

hbox1 = QtGui. QHBoxLayout()
hbox1.addStretch(1)
hbox1.addWidget(Button)

hbox2 = QtGui. QHBoxLayout()
hbox2.addStretch(1)
hbox2.addWidget(a)
hbox2.addWidget(x2)
hbox2.addWidget(b)
hbox2.addWidget(x)
hbox2.addWidget(c)

kok1 = QtGui. QLabel("x1=")
kok1.setStyleSheet('color: blue; font: bold 40px')

global hes1
hes1 = QtGui. QLabel("katsayi gir")
hes1.setStyleSheet('color: red; font: bold 40px')

kok2 = QtGui. QLabel("x2=")
kok2.setStyleSheet('color: blue; font: bold 40px')

global hes2
hes2 = QtGui. QLabel("katsayi gir")
hes2.setStyleSheet('color: red; font: bold 40px')

global durum
durum = QtGui. QLabel("katsayi gir")
durum. setStyleSheet('color: red; font: bold 15px')

hbox3 = QtGui. QHBoxLayout()
hbox3.addWidget(kok1)
hbox3.addWidget(hes1)

hbox4 = QtGui. QHBoxLayout()
hbox4.addWidget(kok2)
hbox4.addWidget(hes2)

hbox5 = QtGui. QHBoxLayout()
hbox5.addWidget(durum)

vbox = QtGui. QVBoxLayout()
#vbox. addStretch(1)
vbox. addWidget(etiket)
vbox. addLayout(hbox2)
vbox. addLayout(hbox3)
vbox. addLayout(hbox4)
vbox. addLayout(hbox5)
vbox. addLayout(hbox1)

self.cw.setLayout(vbox)
self. setCentralWidget(self.cw)
self. show()
def hesapla(self):
try:
control = int(a.text()),int(b.text()),int(c.text())
delta = (int(b.text())**2)-4*int(a.text())*int(c.text())
print delta
if delta < 0:
durum. setText("Diskriminant negatif, reel kok yok, kokler karmagib sayi.")
hes1.setText("("+"-"+"%s"%(int(b.text()))+"+"+"karekok"+"("+"%s"%(math. fabs(delta))+")"+"i"+")"+"/"+"%s"%(2*int(a.text())))
hes2.setText("("+"-"+"%s"%(int(b.text()))+"-"+"karekok"+"("+"%s"%(math. fabs(delta))+")"+"i"+")"+"/"+"%s"%(2*int(a.text())))
if delta

0:
durum. setText("Diskriminant sifir, cift katli tek bir reek kok var.")
hes1.setText("%s"%(((-1*int(b.text()))+(math. sqrt(delta)))/(2*int(a.text()))))
hes2.setText("%s"%(((-1*int(b.text()))-(math. sqrt(delta)))/(2*int(a.text()))))

if delta > 0:
durum. setText("Diskriminant pozitif, iki farkli reel kok var.")
if math. sqrt(delta)

int(math. sqrt(delta)):
hes1.setText("%s"%(((-1*int(b.text()))+(math. sqrt(delta)))/(2*int(a.text()))))
hes2.setText("%s"%(((-1*int(b.text()))-(math. sqrt(delta)))/(2*int(a.text()))))

else:
hes1.setText("("+"-"+"%s"%(int(b.text()))+"+"+"karekok"+"("+"%s"%(delta)+")"+")"+"/"+"%s"%(2*int(a.text()))+" = "+"%s"%(((-1*int(b.text()))+(math. sqrt(delta)))/(2*int(a.text()))))
hes2.setText("("+"-"+"%s"%(int(b.text()))+"-"+"karekok"+"("+"%s"%(delta)+")"+")"+"/"+"%s"%(2*int(a.text()))+" = "+"%s"%(((-1*int(b.text()))-(math. sqrt(delta)))/(2*int(a.text()))))

except ValueError:
hes1.setText("katsayi gir")
hes2.setText("katsayi gir")
durum. setText("katsayi gir")

uygulama = QApplication(sys. argv)
pencere = YeniPencere()
uygulama. exec_()