from tkinter import *
root = Tk()
#title
root.title("Ritam")
# Width x Height
root.geometry("644x434")
# width, height
root.minsize(300,100)
# width, height
root.maxsize(1200, 988)
shakaib = Label(text="Ritam is a good boy and this is his GUI")
shakaib.pack()
root.mainloop()