[Python] Window keyboard are displayed in another window(tkinter)

I'm writing an app with many windows and buttons, a calculator is a built into the app and it's keyboard when clicking on the inclusion button of the calculator is on the menu window. I don't know what the problem is, there are many apps in the main menu and only such a problem. This is calculator function:

import tkinter as tk
from tkinter import messagebox

def add_digit(digit):
value = calc.get() + str(digit)
calc['state']=tk.NORMAL
calc.delete(0, tk.END)
calc.insert(0, value)
calc['state'] = tk.DISABLED

def add_operation(operation):
value = calc.get()
if value[-1] in '**-+/*!':
value = value[:-1]
elif '+' in value or '-' in value or '*' in value or '/' in value or '!' in value or '**' in value:
calculate()
value = calc.get()
calc['state'] = tk.NORMAL
calc.delete(0, tk.END)
calc.insert(0, value+operation)
calc['state'] = tk.DISABLED

member=[]

def calculate():
value = calc.get()
if value[-1] in '+-/*':
value = value+value[:-1]
calc['state'] = tk.NORMAL
calc.delete(0, tk.END)
member.append(value)
calc['state'] = tk.DISABLED
try:
calc['state'] = tk.NORMAL
calc.insert(0, eval(value))
calc['state'] = tk.DISABLED
except (NameError, SyntaxError):
messagebox.showinfo('Ошибка ввода!', 'Можно писать только числовые выражения!')
except ZeroDivisionError:
messagebox.showinfo('Внимание!', 'На ноль делить нельзя!')

def clear():
calc['state'] = tk.NORMAL
calc.delete(0, tk.END)
calc['state'] = tk.DISABLED


def button(digit):
return tk.Button(text=digit, bd=5, font=('Arial Black', 12),fg ='#458B00', command=lambda : add_digit(digit))


def oper_button(operation):
return tk.Button(text=operation, bd=5, font=('Arial Black', 12), fg ='#3D59AB',command=lambda: add_operation(operation))


def answer_button(operation):
return tk.Button(text=operation, bd=5, font=('Arial Black', 12), fg ='#FF1493',command=calculate)


def clear_button(operation):
return tk.Button(text=operation, bd=5, font=('Arial Black', 12), fg ='#FF1493',command=clear)


def press_key(event):
print(event.char)
if event.char.isdigit():
add_digit(event.char)
elif event.char in '**+-/*abs()':
add_operation(event.char)
elif event.char == '\r':
calculate()


win = tk.Tk()
win.geometry(f"310x400+100+200")
win['bg']='#C1CDCD'
win.title('Qcalc')

win.bind('<Key>', press_key)

calc = tk.Entry(win, justify=tk.RIGHT, font=('Arial Black', 14), width=15)
calc['state'] = tk.DISABLED
calc.grid(row=0, column=0, columnspan=3, stick = 'we')

button('1').grid(row=1, column=0, stick='wens', padx=5, pady=5)
button('2').grid(row=1, column=1, stick='wens', padx=5, pady=5)
button('3').grid(row=1, column=2, stick='wens', padx=5, pady=5)
button('4').grid(row=2, column=0, stick='wens', padx=5, pady=5)
button('5').grid(row=2, column=1, stick='wens', padx=5, pady=5)
button('6').grid(row=2, column=2, stick='wens', padx=5, pady=5)
button('7').grid(row=3, column=0, stick='wens', padx=5, pady=5)
button('8').grid(row=3, column=1, stick='wens', padx=5, pady=5)
button('9').grid(row=3, column=2, stick='wens', padx=5, pady=5)
button('0').grid(row=4, column=0, stick='wens', padx=5, pady=5)
button('.').grid(row=3, column=4, stick='wens', padx=5, pady=5)
button('-1').grid(row=4, column=1, stick='wens', padx=5, pady=5)
button('-2').grid(row=4, column=2, stick='wens', padx=5, pady=5)
button('-3').grid(row=4, column=3, stick='wens', padx=5, pady=5)
button('-4').grid(row=5, column=0, stick='wens', padx=5, pady=5)
button('-5').grid(row=5, column=1, stick='wens', padx=5, pady=5)
button('-6').grid(row=5, column=2, stick='wens', padx=5, pady=5)
button('-7').grid(row=5, column=3, stick='wens', padx=5, pady=5)
button('-8').grid(row=6, column=0, stick='wens', padx=5, pady=5)
button('-9').grid(row=6, column=1, stick='wens', padx=5, pady=5)

oper_button('+').grid(row=1, column=3, stick='wens', padx=5, pady=5)
oper_button('-').grid(row=1, column=4, stick='wens', padx=5, pady=5)
oper_button('/').grid(row=2, column=3, stick='wens', padx=5, pady=5)
oper_button('*').grid(row=2, column=4, stick='wens', padx=5, pady=5)
oper_button('**').grid(row=3, column=3, stick='wens', padx=5, pady=5)

answer_button('=').grid(row=6, column=3, stick='wens', padx=5, pady=5)
clear_button('C').grid(row=6, column=2, stick='wens', padx=5, pady=5)

win.grid_columnconfigure(0, minsize=50)
win.grid_columnconfigure(1, minsize=50)
win.grid_columnconfigure(2, minsize=50)
win.grid_columnconfigure(3, minsize=50)
win.grid_columnconfigure(4, minsize=50)
win.grid_columnconfigure(5, minsize=50)
win.grid_columnconfigure(6, minsize=50)
win.grid_columnconfigure(7, minsize=50)
win.grid_columnconfigure(8, minsize=50)
win.grid_columnconfigure(9, minsize=50)

win.grid_rowconfigure(0, minsize=50)
win.grid_rowconfigure(1, minsize=50)
win.grid_rowconfigure(2, minsize=50)
win.grid_rowconfigure(3, minsize=50)
win.grid_rowconfigure(4, minsize=50)
win.grid_rowconfigure(5, minsize=50)
win.grid_rowconfigure(6, minsize=50)
win.grid_rowconfigure(7, minsize=50)
win.grid_rowconfigure(8, minsize=50)
win.grid_rowconfigure(9, minsize=50)

win.mainloop()


I surf for such a problem on the Internet, l seem to be the only one. Please, sched the code line to solve the prolem!

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