tkinter how to change font code example

Example 1: how to change the font of a label in tkinter

#How to change the font of a label in Tkinter

#Import 
from tkinter import *

#Screen
window = Tk()
window.title("New Window")
window.geometry("300x250")

Label(window, text = "This is my new project in python!", font = ("Bahnschrift", 14)).pack()
#-------------------------------------------------------------------------------------------
#'font' tells python that we are going to do something with the font
#-------------------------------------------------------------------------------------------
#'()' are needed becuase that is just how python works
#-------------------------------------------------------------------------------------------
#'"___"' put your font name in the quotes
#-------------------------------------------------------------------------------------------
#10 put vyour fontsize after adding a comma after the font name
#-------------------------------------------------------------------------------------------

Example 2: how to change font in tkinter

import tkinter.font as font

#create Font object
myFont = font.Font(family='Helvetica')

button = Button(parent, font=myFont)
#or
button = Button(parent)
button['font'] = myFont

Example 3: tkinter change label text

pythonCopyimport tkinter as tk

class Test():
    def __init__(self):
        self.root = tk.Tk()
        self.text = tk.StringVar()
        self.text.set("Test")
        self.label = tk.Label(self.root, textvariable=self.text)

        self.button = tk.Button(self.root,
                                text="Click to change text below",
                                command=self.changeText)
        self.button.pack()
        self.label.pack()
        self.root.mainloop()

    def changeText(self):
        self.text.set("Text updated")        

app=Test()

Example 4: font in tkinter

import tkinter.font as TkFont

font = tkFont.Font ( option, ... )
# Exaple
helv36 = tkFont.Font(family="Helvetica",size=36,weight="bold")