In this post we will learn how to use Combo boxes on our Tkinter application. Lets get started,

IN[1]

import tkinter as tk
from tkinter import ttk

try :
    from ctypes import windll
    windll.shcore.SetProcessDpiAwareness(1)
except :
    pass

root = tk.Tk()
root.title("Comboboxes")
root.geometry("600x400")
root.resizable(False, False)

selected_day = tk.StringVar()
weekday = ttk.Combobox(root, textvariable = selected_day)
weekday["values"] = ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday")
weekday["state"] = "readonly"
weekday.pack()

def h_e(event):
    print("The selected day is :", selected_day.get())
    print("The fiday will be set")
    selected_day.set("Friday")
    print(weekday.current())

weekday.bind("<<ComboboxSelected>>",h_e)

root.mainloop()

OUT[1]