Tkinter Combobox

Combobox in tkinter is a drop down list, which can hold multiple values and show one item at a time. Combobox is useful for select one option in many choice. Combobox widget is a class of ttk module of tkinter library, so you need to import this module. Below combobox tkinter tutorial will show you example, how to add and show drop-down Tk() window.

Python Tkinter Combobox Example

from tkinter import *
from tkinter import ttk
win =Tk()
win.geometry('200x100')
course=["Java","Python","C & C++"]
l1=Label(win,text="Choose Your Favourite Language")
l1.grid(column=0, row=0)
cb=ttk.Combobox(win,values=course,width=10)
cb.grid(column=0, row=1)
cb.current(0)
win.mainloop()

Combobox Tkinter Event Example

from tkinter import *
from tkinter import ttk
def func():
    l2.configure(text=cb.get())
win =Tk()
win.geometry('200x100')
course=["Java","Python","C & C++"]
l1=Label(win,text="Choose Your Favourite Language")
l1.grid(column=0, row=0)
cb=ttk.Combobox(win,values=course,width=10)
cb.grid(column=0, row=1)
cb.current(0)
b=Button(win,text="Click Here",command=func)
b.grid(column=0, row=2)
l2=Label(win,text="")
l2.grid(column=0, row=3)
win.mainloop()

Mini Quiz

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Tkinter - Quiz 7

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Q1. Which Tkinter module contains the Combobox widget?

tkinter

ttk

messagebox

filedialog

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Q2. What is the main advantage of using a Combobox?

It displays a drop-down list from which the user can select one option.

It allows users to select multiple options at once.

It creates multiple text boxes.

It displays images.

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Q3. Which method is used to set the default selected item in a Combobox?

select()

set()

current()

focus()

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Q4. Which method is used to retrieve the currently selected value from a Combobox?

current()

get()

value()

read()

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Q5. Why is a Combobox preferred over multiple Radiobutton widgets in some applications?

It allows selecting all options simultaneously.

It automatically performs calculations.

It can only display numeric values.

It reduces screen space by showing options in a drop-down list.

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Written by Shubhranshu Shekhar, who has trained 20000+ students in coding.

Shubhranshu Shekhar

Shubhranshu Shekhar is a coding instructor, mentor, and founder of VSIT Delhi with 20+ years of teaching experience (since 2004). He has guided many students who are now working in multinational companies and specializes in Full Stack Development, Python, Digital Marketing, and Data Analytics.