import tkinter as tk ModuleNotFoundError: No module named 'tkinter' code example

Example 1: ModuleNotFoundError: No module named 'tkinter'

sudo apt-get install python3-tk

Example 2: ImportError: No module named _tkinter, please install the python-tk package

sudo apt-get install python-tk

Example 3: ModuleNotFoundError: No module named 'Tkinter'

try:
    # for Python2
    # sudo apt-get install python-tk 
    from Tkinter import *   ## notice capitalized T in Tkinter 
except ImportError:
    # for Python3
    # sudo apt-get install python3-tk 
    from tkinter import *   ## notice lowercase 't' in tkinter here