Не работает код дальше после одной строки. Python

from tkinter import *
from tkinter import filedialog, messagebox
from tkinter.ttk import Combobox
from pygame import *
import pyautogui as p
f = open("script1open.fridsys", mode="r+")
f1 = f.read()
if f1 == "open(2ir9dls02ls5jd0sl3j2)cotur2-dk93k":
    start = Tk()
    start.title("Start Open FRID Redactor")
    start.geometry('400x250')
    combo = Combobox(start)
    combo['values'] = ("English", "Русский")
    combo.current(0)  # установите вариант по умолчанию
    lbl12 = Label(start, text="Pick your language", font=("Helvetica", 14))
    lbl12.pack(fill='x')
    combo.pack(fill='x')
    def kurla():
        fd1 = open("pilang.fridsys", mode='w+')
        fd12 = fd1.write(combo.get())
    button = Button(start, text="Pick", command=kurla)
    button.pack(fill='x')
    start.mainloop()
    df = open("pilang.fridsys", mode='w+')
    language = df.read()
    if language == 'English':
        def Quit():
            global root
            core122 = messagebox.askyesno("Saving the file", "Save your unfinished file?")
            if core122 == True:
                SaveFile()
            elif core122 == False:
                root.destroy()
            elif core122 == None:
                root.destroy()
            print(core122)



        def LoadFile():
            fn = filedialog.Open(root, filetypes=[('*.all files', '.*')]).show()
            if fn == '':
                return
            textbox.delete('1.0', 'end')
            textbox.insert('1.0', open(fn, 'rt').read())


        def SaveFile():
            fn = filedialog.SaveAs(root, filetypes=[('*.all files', '.*')]).show()
            if fn == '':
                return
            messagebox.showinfo('File Extension Error (021)', 'You must specify a file extension at the end!')
            open(fn, 'wt').write(textbox.get('1.0', 'end'))

        def clsi():
            root = Tk()
            root.title("FRID Redactor")
            root.geometry('500x25')
            lbl = Label(root, text="Fander Company. 2022 - TestProduct", font=("Helvetica", 14))
            lbl.pack(fill = 'both')
        def clsi1():
            import webbrowser
            webbrowser.open('https://www.fadcomp.tk', new=0)

        root = Tk()
        root.title("FRID Redactor")
        root["bg"] = "cyan"
        menu = Menu(root)
        new_item1 = Menu(menu)
        new_item2 = Menu(menu)
        new_item3 = Menu(menu)
        new_item1.add_command(label='About', command=clsi)
        new_item1.add_command(label='Site', command=clsi1)
        new_item2.add_command(label='Load', command=LoadFile)
        new_item2.add_command(label='Save', command=SaveFile)
        new_item2.add_command(label='Quit', command=Quit)
        menu.add_cascade(label='Info', menu=new_item1)
        menu.add_cascade(label='File', menu=new_item2)
        root.config(menu=menu)

        panelFrame = Frame(root, height=30, bg='cyan')
        panelFrame2 = Frame(root, height=30, bg='cyan')
        textFrame = Frame(root, height=340, width=600)

        panelFrame.pack(side='top', fill='x')
        panelFrame2.pack(side='bottom', fill='x')
        textFrame.pack(side='bottom', fill='both', expand=1)

        textbox = Text(textFrame, font='Helvetica 18', wrap='word')
        scrollbar = Scrollbar(textFrame)

        scrollbar['command'] = textbox.yview
        textbox['yscrollcommand'] = scrollbar.set

        lbl1 = Label(panelFrame2, text='Version 1.0.0')
        lbl1.pack(side = 'right')
        lbl1['bg'] = "cyan"
        lbl1['fg'] = "white"

        textbox.pack(side='left', fill='both', expand=1)
        scrollbar.pack(side='right', fill='y')

        root.mainloop()
    elif language == "Русский":
        def Quit():
            global root
            core122 = messagebox.askyesno("Сохранение файла", "Сохранить ваш незавершенный файл?")
            if core122 == True:
                SaveFile()
            elif core122 == False:
                root.destroy()
            elif core122 == None:
                root.destroy()
            print(core122)



        def LoadFile():
            fn = filedialog.Open(root, filetypes=[('*.all files', '.*')]).show()
            if fn == '':
                return
            textbox.delete('1.0', 'end')
            textbox.insert('1.0', open(fn, 'rt').read())


        def SaveFile():
            fn = filedialog.SaveAs(root, filetypes=[('*.all files', '.*')]).show()
            if fn == '':
                return
            messagebox.showinfo('Ошибка расширения файла (021)', 'Вы должны указать расширение файла!')
            open(fn, 'wt').write(textbox.get('1.0', 'end'))

        def clsi():
            root = Tk()
            root.title("FRID Редактор")
            root.geometry('500x25')
            lbl = Label(root, text="Fander Company. 2022 - Тестовый продукт", font=("Helvetica", 14))
            lbl.pack(fill = 'both')
        def clsi1():
            import webbrowser
            webbrowser.open('https://www.fadcomp.tk', new=0)

        root = Tk()
        root.title("FRID Редактор")
        root["bg"] = "cyan"
        menu = Menu(root)
        new_item1 = Menu(menu)
        new_item2 = Menu(menu)
        new_item3 = Menu(menu)
        new_item1.add_command(label='About', command=clsi)
        new_item1.add_command(label='Site', command=clsi1)
        new_item2.add_command(label='Load', command=LoadFile)
        new_item2.add_command(label='Save', command=SaveFile)
        new_item2.add_command(label='Quit', command=Quit)
        menu.add_cascade(label='Info', menu=new_item1)
        menu.add_cascade(label='File', menu=new_item2)
        root.config(menu=menu)

        panelFrame = Frame(root, height=30, bg='cyan')
        panelFrame2 = Frame(root, height=30, bg='cyan')
        textFrame = Frame(root, height=340, width=600)

        panelFrame.pack(side='top', fill='x')
        panelFrame2.pack(side='bottom', fill='x')
        textFrame.pack(side='bottom', fill='both', expand=1)

        textbox = Text(textFrame, font='Helvetica 18', wrap='word')
        scrollbar = Scrollbar(textFrame)

        scrollbar['command'] = textbox.yview
        textbox['yscrollcommand'] = scrollbar.set

        lbl1 = Label(panelFrame2, text='Version 1.0.0')
        lbl1.pack(side = 'right')
        lbl1['bg'] = "cyan"
        lbl1['fg'] = "white"

        textbox.pack(side='left', fill='both', expand=1)
        scrollbar.pack(side='right', fill='y')

        root.mainloop()

Сначала у меня идет окно с выбором языка, после он должен перейти на root окно, но он ничего не делает. Как справиться?