text: from tkinter import *
  from subprocess import call
  
  def Next():
   root.destroy()
   call(['python', 'Characters.py'])
  
  def Back():
   root.destroy()
   call(['python', 'Home.py'])
  
  class GUI:
      def __init__(self, master):
       frame = Frame(master)
       frame.pack()
       frame.configure(background='white')
       self.label_1 = Label(frame, text="Username:", bg="white", font=("Agency FB", 18))
       self.label_2 = Label(frame, text="Password:", bg="white", font=("Agency FB", 18))
       self.label_3 = Label(frame, text="Age:", bg="white", font=("Agency FB", 18))
       self.label_4 = Label(frame, text="Gender", bg="white", font=("Agency FB", 18))
       self.label_5 = Label(frame, text="Enter M/F", bg="white",fg="red", font=("Agency FB", 16))
       self.entry_1 = Entry(frame)
       self.entry_2 = Entry(frame)
       self.entry_3 = Entry(frame)
       self.entry_4 = Entry(frame)
       self.label_1.grid(row=0, column=0, sticky=E)
       self.label_2.grid(row=1, column=0, sticky=E)
       self.label_3.grid(row=2, column=0, sticky=E)
       self.label_4.grid(row=3, column=0, sticky=E)
       self.label_5.grid(row=3, column=2)
       self.entry_1.grid(row=0, column=1)
       self.entry_2.grid(row=1, column=1)
       self.entry_3.grid(row=2, column=1)
       self.entry_4.grid(row=3, column=1)
      
  root= Tk()
  photo = PhotoImage(file="/home/pi/std_googleAssistant/GUI/Icons/SignUp.png")
  photoN = PhotoImage(file="/home/pi/std_googleAssistant/GUI/Icons/Next.png")
  photoB = PhotoImage(file="/home/pi/std_googleAssistant/GUI/Icons/Back.png")
  photoE = PhotoImage(file="/home/pi/std_googleAssistant/GUI/Icons/Exit.png")
  back = Button(root, bg="white", command=Back)
  back.config(image=photoB)
  next = Button(root, bg="white", command=Next)
  next.config(image=photoN)
  quitButton = Button(root, command=root.quit, bg="white")
  quitButton.config(image=photoE)
  back.pack(side="left",anchor=NW)
  next.pack(side="bottom", anchor=NE)
  quitButton.pack(side="right", anchor=NE)
  label = Label(root, image=photo)
  label.pack()
  b= GUI(root)
  root.title("Intelligent Fellow")
  root.geometry("1000x920")
  root.configure(background='white')
  root.mainloop()
  