How do I resolve the circular import error for a Python script?

from Banners import main_menu_banner, ordering_menu_banner
from Paper import paper_menu, paper_menu2

main_menu_banner()

def main_menu_0():
	print_white_on_cyan = lambda x: cprint(x, 'white', 'on_cyan')
	print_cyan = lambda x: cprint(x, 'cyan')
	print_cyan("Below are a list of available items in inventory.")
	print_cyan("Select the item of your choice to begin the ordering process:")
	print_cyan("-------------------------------------------------------------")
	print("")
	print("1. Paper")
	print("2. Pens")
	print("3. Supplies")
	print("")
	selection = input("Enter the number for the item you would like to add:  ")
	print("")
	if (selection == '1'):
		paper_menu()
	print("")

main_menu_0()

def main_menu2():
	print_white_on_cyan = lambda x: cprint(x, 'white', 'on_cyan')
	print_cyan = lambda x: cprint(x, 'cyan')
	print_cyan("Below are a list of available items in inventory.")
	print_cyan("Select the item of your choice to begin the ordering process:")
	print_cyan("-------------------------------------------------------------")
	print("")
	print("1. Paper")
	print("2. Pens")
	print("3. Supplies")
	print("")
	selection = input("Enter the number for the item you would like to add:  ")
	print("")
	if (selection == '1'):
		paper_menu2()
	print("")

from main_menu import main_menu2

def paper_menu():
	print("We have the following paper types to select from: ")
	print("1. Paper type 1")
	print("2. Paper type 2")
	print("3. Paper type 3")
	paper_selection = input("Enter the selection number for the paper type you would like to order.")
	if (paper_selection == "1"):
		print("You have selected Paper type 1.")
		confirm_paper_selection = input("Is this correct? 'y/n'")
		if (confirm_paper_selection == "y"):
			quantity_paper_type_1 = input("Enter the amount of paper reams you would like to order.")
			print(f"You have entered {quantity_paper_type_1} for {paper_selection}.")
			confirm_quantity_paper_selection = input("Is this correct? 'y/n'")
			if(confirm_quantity_paper_selection == "y" or confirm_quantity_paper_selection == "Y"):
				print(f"You are about to place an order for {paper_selection} for  ")
				print(f"{quantity_paper_type_1}.")
				dept_num = input("Enter the department number to bill the purchase to: ")
				print(f"You entered {dept_num}.")
				confirm_dept_num = input("Is this correct? 'y/n' ? ")
				if (confirm_dept_num == "y" or confirm_dept_num == "Y"):
					auth_code = int(input("Enter your authorisation code to continue:"))
					if (auth_code == 456):
						print("Authorisation code accepted.")
					else:
						print("Invalid authorisation code.")
						auth_code2 = input("Re-enter authorisation")
						if(auth_code2 == 456):
							print("Authorisation code accepted.")
							print("Would you like to complete your purchase or")
							print("would you like to return to the main menu to add")
							return_to_main_menu = input("additional items?")
							if(return_to_main_menu == "y" or "Y"):
								main_menu2()
								
						else:
							print("Invalid authorisation code.")
							print("Program exiting...")
							exit
		
def paper_menu2():
	print("We have the following paper types to select from: ")
	print("1. Paper type 1")
	print("2. Paper type 2")
	print("3. Paper type 3")
	paper_selection = input("Enter the selection number for the paper type you would like to order.")
	if (paper_selection == "1"):
		print("You have selected Paper type 1.")
		confirm_paper_selection = input("Is this correct? 'y/n'")
		if (confirm_paper_selection == "y"):
			quantity_paper_type_1 = input("Enter the amount of paper reams you would like to order.")
			print(f"You have entered {quantity_paper_type_1} for {paper_selection}.")
			confirm_quantity_paper_selection = input("Is this correct? 'y/n'")
			if(confirm_quantity_paper_selection == "y" or confirm_quantity_paper_selection == "Y"):
				print(f"You are about to place an order for {paper_selection} for  ")
				print(f"{quantity_paper_type_1}.")
				dept_num = input("Enter the department number to bill the purchase to: ")
				print(f"You entered {dept_num}.")
				confirm_dept_num = input("Is this correct? 'y/n' ? ")
				if (confirm_dept_num == "y" or confirm_dept_num == "Y"):
					auth_code = int(input("Enter your authorisation code to continue:"))
					if (auth_code == 456):
						print("Authorisation code accepted.")
					else:
						print("Invalid authorisation code.")
						auth_code2 = input("Re-enter authorisation")
						if(auth_code2 == 456):
							print("Authorisation code accepted.")
							print("Would you like to (1.) Complete your purchase or")
							print("would you like to (2.) Return to the main menu to add")
							return_to_main_menu = input("additional items?")
							if(return_to_main_menu == 1):
								print("DEBUG: line 77.")
								
							elif return_to_main_menu == 2 :
								print("DEBUG: line 79.")
							else: 
								exit
								
						else:
							print("Invalid authorisation code.")
							print("Program exiting...")
							exit
		
			#	else:
					# other command
				else:
					print("DEBUG: line 87.")
				# other command
		else:
			print("DEBUG: line 90.")
	else:
		print("DEBUG: line 92.")