Hi, i would love a little direction here please as i have been searching but not finding a solution to my issue.
What i would love is to take the data i enter into the line edit field of my gui and send that data to a string in my list. In the case below it is the value at ls[0] that i want to change to the value i enter in the gui line edit field. (not using line edit_2 at the moment) Am i going about it the wrong way?

Qt Code: 
  1. from PyQt4 import QtCore, QtGui
  2. import sys
  3.  
  4. ls = ["a", "b"]
  5.  
  6. try:
  7.     _fromUtf8 = QtCore.QString.fromUtf8
  8. except AttributeError:
  9.     def _fromUtf8(s):
  10.         return s
  11.  
  12. try:
  13.     _encoding = QtGui.QApplication.UnicodeUTF8
  14.     def _translate(context, text, disambig):
  15.         return QtGui.QApplication.translate(context, text, disambig, _encoding)
  16. except AttributeError:
  17.     def _translate(context, text, disambig):
  18.         return QtGui.QApplication.translate(context, text, disambig)
  19.  
  20. class Ui_Dialog(QtGui.QWidget):
  21.     def __init__(self):
  22.         QtGui.QWidget.__init__(self)
  23.         self.setupUi(self)
  24.     def setupUi(self, Dialog):
  25.         Dialog.setObjectName(_fromUtf8("Dialog"))
  26.         Dialog.resize(400, 300)
  27.         self.pushButton = QtGui.QPushButton(Dialog)
  28.         self.pushButton.setGeometry(QtCore.QRect(30, 40, 75, 23))
  29.         self.pushButton.setObjectName(_fromUtf8("pushButton"))
  30.         self.lineEdit = QtGui.QLineEdit(Dialog)
  31.         self.lineEdit.setGeometry(QtCore.QRect(120, 40, 113, 20))
  32.         self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
  33.         self.lineEdit_2 = QtGui.QLineEdit(Dialog)
  34.         self.lineEdit_2.setGeometry(QtCore.QRect(260, 40, 113, 20))
  35.         self.lineEdit_2.setObjectName(_fromUtf8("lineEdit_2"))
  36.  
  37.         self.retranslateUi(Dialog)
  38.         QtCore.QMetaObject.connectSlotsByName(Dialog)
  39.  
  40.     def retranslateUi(self, Dialog):
  41.         Dialog.setWindowTitle(_translate("Dialog", "Dialog", None))
  42.         self.pushButton.setText(_translate("Dialog", "PushButton", None))
  43.         self.pushButton.clicked.connect(self.changedata)
  44.  
  45.  
  46.     def changedata(self):
  47.         print ls[0]               #this line is just to print out what ls[0] is before it is changed
  48.         ls[0] = self.lineEdit  #this is where i am stuck as i do not know how to get the line edit data. i,m new to python and qt so forgive me if i'm a bit off
  49.         print ls[0]               #this line is to print out the new value of ls[0] to see if it changed
  50.  
  51.  
  52. if __name__ == '__main__':
  53.     app = QtGui.QApplication(sys.argv)
  54.     ex = Ui_Dialog()
  55.     ex.show()
  56.     sys.exit(app.exec_())
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