def readFile(): filePath = app.getEntry("file") reader = FileReader.MyClass(filePath) method, eqn, interval, tolerance, maxIteration, validMethod = reader.getResult( ) if not validMethod: app.errorBox("Invalid Method", "The file contains an invalid method") else: print(interval) if method == 1: app.setOptionBox("Method", 1) if method == 2: app.setOptionBox("Method", 2) if method == 3: app.setOptionBox("Method", 4) if method == 4: app.setOptionBox("Method", 5) if method == 5: app.setOptionBox("Method", 6) if method == 6: app.setOptionBox("Method", 8) if method == 7: app.setOptionBox("Method", 10) app.setEntry("f(x)=", eqn) app.setEntry("Max Iterations", maxIteration) app.setEntry("Epsilon", tolerance) if len(interval) == 1: app.setEntry("First Initial Guess", interval[0]) elif len(interval) == 2: app.setEntry("First Initial Guess", interval[0]) app.setEntry("Second Initial Guess", interval[1]) print("read File")