gui in tkinter

1# check this code first.
2from tkinter import *
3
4app = Tk()
5# The title of the project
6app.title("The title of the project")
7# The size of the window
8app.geometry("400x400")
9
10# Defining a funtion
11def c():
12    # Label
13    m = Label(app, text="Text")
14    m.pack()
15
16
17# Button
18l = Button(app, text="The text of the Butoon", command=c)
19# Packing the Button
20l.pack()
21app.mainloop()
22# Quick Note : 
23# When you put a command you should not use parentheses
24# l = Button(app, text="The text of the Butoon", command=c)
25# l = Button(app, text="The text of the Butoon", command=c())

1import tkinter as tk
2root = tk.Tk()
3root.title("my title")
4root.geometry('200x150')
5root.configure(background='black')
6
7#	enter widgets here
8
9root.mainloop()

1import tkinter as tk
2#Importing the main module
3window = tk.Tk()
4window.mainloop()

1from tkinter import *
2import os
3
4# window
5window = Tk()
6window.geometry("450x450")
7window.title("Gui App")
8window.configure(bg="powder blue")
9
10# Enter or user input in tkinter
11filename = Entry(window, width=75)
12filename.pack()
13
14# Run file Function
15
16def runFile():
17  try:
18  	os.startfile(filename.get())
19   
20  except:
21    error = Label(window, text=f"No file found as {filename.get}")
22    error.pack()
23    
24 # Run file button
25open_file_button = Button(window, text="Run File", command=runFile)
26open_file_button.pack()
27
28window.mainloop()
29