forget_grid.py

from tkinter import *

root = Tk()
root.title('Codemy.com - Learn To Code!')
root.iconbitmap('c:/gui/codemy.ico')
root.geometry("400x400")

#myLabel = Label(root)

'''def myDelete():
	myLabel.grid_forget()
	#myLabel.destroy()
	myButton['state'] = NORMAL
	#print(myButton.winfo_exists())
'''

def myClick():
	global myLabel
	myLabel = Label(root)
	myLabel.destroy()

	hello = "Hello " + e.get()
	myLabel = Label(root, text=hello)
	
	e.delete(0, 'end')
	myLabel.grid(row=3, column=0, pady=10)
	#myButton['state'] = DISABLED

e = Entry(root, width=17, font=('Helvetica', 30))
e.grid(row=0, column=0, padx=10, pady=10)

myButton = Button(root, text="Enter Your Name", command=myClick)
myButton.grid(row=1, column=0, pady=10)

#DeleteButton = Button(root, text="Delete Text", command=myDelete)
#DeleteButton.grid(row=2, column=0, pady=10)


root.mainloop()