class UsersDetailsEditPage(Tk):
def __init__(self, *args, **kwargs):
    Tk.__init__(self, *args, **kwargs)
    self.title("Edit User Details")
    self.option_add("*Font", 'TkDefaultFont')

    self.noteBook = ttk.Notebook(self)

    for i in range(len(users)):
        self.noteBook.add(self.getUserViewFrame(users[i]), text=users[i][2])
    self.noteBook.pack()

    self.resizable(width=False, height=False)

def getUserViewFrame(self, user):
    frame = Frame(self)
    frame.grid_rowconfigure(1, weight=1)
    frame.grid_columnconfigure(1, weight=1)

    Label(frame, text="User's name:").grid(row=0, column=0, sticky=W)
    nameText = Text(frame, height=1, width=20)
    nameText.insert("1.0", user[2])
    nameText.edit_reset()
    nameText.grid(row=0, column=1, sticky=E)

    Label(frame, text="Username:").grid(row=1, column=0, sticky=W)
    usernameText = Text(frame, height=1, width=20)
    usernameText.insert("1.0", user[0])
    usernameText.edit_reset()
    usernameText.grid(row=1, column=1, sticky=E)

    Label(frame, text="Password:").grid(row=2, column=0, sticky=W)
    passwordText = Text(frame, height=1, width=20)
    passwordText.insert("1.0", user[1])
    passwordText.edit_reset()
    passwordText.grid(row=2, column=1, sticky=E)

    # the constructor syntax is:
    # OptionMenu(master, variable, *values)

    Label(frame, text="User Access:").grid(row=3, column=0, sticky=W)
    self.options = StringVar()
    self.options.set("User")

    self.userAccessDrop = ttk.OptionMenu(frame, self.options, "User", *("User", "Admin"))
    self.userAccessDrop.config(width=10)
    self.userAccessDrop.grid(row=3, column=1, sticky=E)

    return frame

from tkinter import *
from tkinter import messagebox
import tkinter.ttk as ttk
import csv
import os

frame.options = StringVar()
frame.options.set("User")

frame.userAccessDrop = ttk.OptionMenu(frame, frame.options, "User", *("User", "Admin"))
frame.userAccessDrop.config(width=10)
frame.userAccessDrop.grid(row=3, column=1, sticky=E)