Tracker -- added pack() and pack_forget()

import tkinter as tk
# from mttkinter import mtTkinter as tk
import time
# import classes
# import win32api
# from threading import Thread
import sys

class StopWatch(tk.Frame):  #Class StopWatch inheriting from the Tkinter class Frame
    """ Implements a stop watch frame widget. """
    def __init__(self, parent=None, **kw):
        tk.Frame.__init__(self, parent, kw)
        # self.configure(bg='black')
        self._start = 0.0
        self._elapsedtime = 0.0
        self.timestr = tk.StringVar()
        self._running = 0

        self._Label1 = tk.Label(self, textvariable=self.timestr)
        self._setTime(self._elapsedtime)
        self._Label1.pack(fill=tk.X, expand=tk.NO, pady=2, padx=2)



    # def makeWidgets(self):
        # """ Make the time label. """
        # l = tk.Label(self, textvariable=self.timestr)
        # self._setTime(self._elapsedtime)
        # l.pack(fill=tk.X, expand=tk.NO, pady=2, padx=2)
        # l.configure(bg='white')
        # return l

    def _update(self):
        """ Update the label with elapsed time. """
        self._elapsedtime = time.time() - self._start
        self._setTime(self._elapsedtime)
        self._timer = self.after(50, self._update)
        # print (self._timer, '= self.after')
    def _setTime(self, elap):
        """ Set the time string to Minutes:Seconds:Hundreths """
        minutes = int(elap/60)
        seconds = int(elap - minutes*60.0)
        hseconds = int((elap - minutes*60.0 - seconds)*100)
        self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds)) # convert date and time and datetime objects to its equivalent string
        # print(('%02d:%02d:%02d' % (minutes, seconds, hseconds)))

    def Start(self):
        if not self._running:
            self._start = time.time() - self._elapsedtime
            self._update()
            self._running = 1
    def Stop(self):
        if self._running:
            self.after_cancel(self._timer)
            self._elapsedtime = time.time() - self._start
            self._setTime(self._elapsedtime)
            self._running = 0
            # print(self._elapsedtime)
            # print ('after_cancel(', self._timer, ')')


    def Reset(self):
        """ Reset the stopwatch. """
        self._start = time.time()
        self._elapsedtime = 0.0
        self._setTime(self._elapsedtime)
   # if not StopWatch1Local._running:
def mouse1Clicked():
    global StopWatch1
    global StopWatch2
    StopWatch1._Label1.pack_forget()
    StopWatch2._Label1.pack_forget()
    LabelEff.pack_forget()
    if (StopWatch1._running and StopWatch2._running) :

        StopWatch1.Stop()
        root.configure(bg='red')
        StopWatch1._Label1.configure(bg='red')
        StopWatch1.configure(bg='red')
        StopWatch2._Label1.configure(bg='red')
        StopWatch2.configure(bg='red')
    elif  (StopWatch1._running==0 and StopWatch2._running==0) :

        StopWatch1.Start()
        StopWatch2.Start()
        root.configure(bg='green')
        StopWatch1._Label1.configure(bg='green')
        StopWatch1.configure(bg='green')
        StopWatch2._Label1.configure(bg='green')
        StopWatch2.configure(bg='green')
    elif  (StopWatch1._running==0 and StopWatch2._running==1) :
        StopWatch1.Start()
        StopWatch2.Start()
        root.configure(bg='green')
        StopWatch1._Label1.configure(bg='green')
        StopWatch1.configure(bg='green')
        StopWatch2._Label1.configure(bg='green')
        StopWatch2.configure(bg='green')
def mouse2Clicked():
    global StopWatch1
    global StopWatch2


    StopWatch1._Label1.pack()
    StopWatch2._Label1.pack()
    LabelEff.pack()
    if (StopWatch1._running==0 and StopWatch2._running==1) :
        StopWatch1.Stop()
        StopWatch2.Stop()
        root.configure(bg='white')
        StopWatch1._Label1.configure(bg='white')
        StopWatch1.configure(bg='white')
        StopWatch2._Label1.configure(bg='white')
        StopWatch2.configure(bg='white')
    elif  (StopWatch1._running==1 and StopWatch2._running==1) :
        StopWatch1.Stop()
        StopWatch2.Stop()
        root.configure(bg='white')
        StopWatch1._Label1.configure(bg='white')
        StopWatch1.configure(bg='white')
        StopWatch2._Label1.configure(bg='white')
        StopWatch2.configure(bg='white')
    print("StopWatch1.timestr= ", StopWatch1._elapsedtime)
    print("StopWatch2.timestr= ", StopWatch2._elapsedtime)
    print("Effeciency= ", round(StopWatch1._elapsedtime/StopWatch2._elapsedtime,2))
    Effeciency.set([int(100*round(StopWatch1._elapsedtime/StopWatch2._elapsedtime,2)), '%']) # convert date and time and

root = tk.Tk() # initializing the tcl/tk interpreter and creating the root window
# root.geometry("47x38+-2+0")
# root.minsize(150, 100)
StopWatch1 = StopWatch(root)
StopWatch1.pack()# Tkinter Pack Geometry Manager   side=tk.TOP
# ----------------------
# root = tk.Tk() # initializing the tcl/tk interpreter and creating the root window
StopWatch2 = StopWatch(root)
StopWatch2.pack()# Tkinter Pack Geometry Manager
# ----------------------
# frame = tk.Frame(root, width=100, height=100)
# ----------------------
# ----------------------
# ----------------------

def Reset():
    """ Reset the stopwatch. """
    mouse2Clicked()
    StopWatch1.Reset()
    StopWatch2.Reset()
def Hide():

    # root.configure(bg='black')
    # StopWatch1._Label1.configure(bg='black')
    # StopWatch1.configure(bg='black')
    # StopWatch2._Label1.configure(bg='black')
    # StopWatch2.configure(bg='black')
    # root.wm_attributes("-transparent", True)

    # root.attributes("-transparentcolor")
    # root.config(bg='systemTransparent')


    # root.lift()
    # root.wm_attributes("-topmost", True)
    # root.wm_attributes("-disabled", True)
    pass
def minimiser():
    root.overrideredirect(0)
    root.state('iconic')
            # root.iconify()
            # root.geometry("47x38+-2+0")
            # root.overrideredirect(True)
root.bind("<Button-1>", lambda x=None: mouse1Clicked() )
root.bind("<Button-3>", lambda x=None: mouse2Clicked()) #bind Python functions and methods to events
root.bind("<Control-Button-1>", lambda x=None: Hide())
root.bind("<Control-Button-2>", lambda x=None: sys.exit())
root.bind("<Control-Button-3>", lambda x=None: Reset())




# ----------------------
# ----------------------
# ----------------------
class WindowDraggable():

    def __init__(self, root):
        self.root = root
        root.bind('<ButtonPress-2>', self.StartMove)
        root.bind('<ButtonRelease-2>', self.StopMove)
        root.bind('<B2-Motion>', self.OnMotion)

    def StartMove(self, event):
        self.x = event.x
        self.y = event.y

    def StopMove(self, event):
        self.x = None
        self.y = None

    def OnMotion(self,event):
        x = (event.x_root - self.x - self.root.winfo_rootx() + self.root.winfo_rootx())
        y = (event.y_root - self.y - self.root.winfo_rooty() + self.root.winfo_rooty())
        root.geometry("+%s+%s" % (x, y))

# if StopWatch2._elapsedtime!=0 :
    # root.Label1 = tk.Label(root, textvariable=round(StopWatch1._elapsedtime/StopWatch2._elapsedtime,2))
    # root.Label1.pack(fill=tk.X, expand=tk.NO, pady=2, padx=2)

Effeciency = tk.StringVar()
LabelEff = tk.Label(root, textvariable=Effeciency)
LabelEff.pack()
# time.sleep(1)
# Effeciency.set(StopWatch2._elapsedtime-StopWatch1._elapsedtime) # convert date and time and

# labelText = tk.StringVar()
# depositLabel = tk.Label(root, textvariable=labelText)

# def updateDepositLabel(txt): # you may have to use *args in some cases
    # global labelText
    # labelText.set(txt)

# updateDepositLabel(5)
# labelText.pack()

WindowDraggable(root)
root.overrideredirect(True) # turns off title bar, geometry
root.attributes( '-topmost', 1 ) # ADDITINAL topmost
root.mainloop() #This method will loop forever, waiting for events from the user, until it exits the program