def __init__(self,parent,controller):
     tk.Frame.__init__(self,parent, bg = "orange red")
     label=tk.Label(self,text="Change Class",font=LARGE_FONT,bg="orange red")
     label.grid(row=0,column=1,sticky=N)
     label3=tk.Label(self,text="Time Length",font=LARGE_FONT,bg="orange red")
     label3.grid(row=1,column=1,sticky=N)
     #get class hour time
     hours = StringVar()
     hours.set(XL.getH())
     #get class minute time
     minutes = StringVar()
     minutes.set(XL.getM())
     #refresh buttons
     refresh= tk.Button(self,text="Refresh",relief="raised",padx=4,pady=4,bd=4,
             height=2,width=10,command = lambda: Refresh())
     refresh.grid(row=4,column=3)
     def Refresh():
         hours.set(XL.getH())
         hoursB.configure(text=hours)
         minutes.set(XL.getM())
         minutesB.configure(text=minutes)
     #change hours button
     hoursB=tk.Button(self,textvariable=hours,bg="orange red",
                      height=4,width=15,command=lambda: go_NPadH())
     hoursB.grid(row=2,column=1,pady=10)
     def go_NPadH():
         XL.setLastPage("ChangeTimeH")
         controller.show_frame(Number_Pad)
     #Hours label
     label4=tk.Label(self,text="Hours",font=LARGE_FONT,bg="orange red")
     label4.grid(row=3,column=1,sticky=N)
     # label :
     label2=tk.Label(self,text=":",font=LARGE_FONT,bg="orange red")
     label2.grid(row=2,column=2) 
     #change minutes button
     minutesB=tk.Button(self,textvariable=minutes,bg="orange red",
                        height=4,width=15,command=lambda: go_NPadM())
     minutesB.grid(row=2,column=3,pady=10)
     def go_NPadM():
         XL.setLastPage("ChangeTimeM")
         controller.show_frame(Number_Pad)
     #minutes label
     label5=tk.Label(self,text="Minutes",font=LARGE_FONT,bg="orange red")
     label5.grid(row=3,column=3,sticky=N)
     #back button
     Back = tk.Button(self,text="<<Back",relief="raised",padx=4,pady=4,bd=4,
             height=2,width=10,command = lambda: go_Page())
     Back.grid(row=0,column=0)
     def go_Page():
         XL.setLastPage("ChangeTime")
         controller.show_frame(EditPage)
 def Refresh():
     hours.set(XL.getH())
     hoursB.configure(text=hours)
     minutes.set(XL.getM())
     minutesB.configure(text=minutes)
def getClassT():
    classM = int(XL.getM())
    classH = int(XL.getH())
    classTime = setT(classH,classM)
    return classTime
def getClassT():
    classM = int(XL.getM())
    classH = int(XL.getH())
    classTime = setT(classH, classM)
    return classTime