gistfile1.txt

from tkinter import *

window = Tk()
# window.geometry("400x400")
window.title("TEST")
# scroll=Scrollbar(window)
# scroll.pack(side=RIGHT, fill=Y)

# listbox=Listbox(window, yscrollcommand = scroll.set)


# for i in range(100):
#     listbox.insert(END, "Username " + str(i))
# listbox.pack(side = LEFT)

# scroll.config(command=listbox.yview)


def scan():
    name = StringVar()
    username = Entry(window, textvariable=(name))

    ".!entry"
    if username.startswith(".!"):
        username = username[2:]

    # Whats wrong with removing
    username.focus_set()
    username.pack()
    print(f'{username}')

if __name__ == "__main__":
    scan = Button(window, text="SCAN", command=scan)
    scan.pack()
    window.mainloop()