39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
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import tkinter as tk
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def tk_04():
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"""Create a window that will ask the user to enter a name in a text box.
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When they click on a button it will add it to the end of the list that is
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displayed on the screen. Create another button which will clear the list."""
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def click():
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name = txt_in_box.get()
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if name != "":
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lst_names.insert('end', name)
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txt_in_box.delete(0, 'end')
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txt_in_box.focus()
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def reset():
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lst_names.delete(0, 'end')
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txt_in_box.focus()
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window = tk.Tk()
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window.title("Lista TK")
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window.geometry("390x350")
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lbl_info = tk.Label(text="Ingresa un nombre: ")
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lbl_info.place(x=40, y=25, width=150, height=35)
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txt_in_box = tk.Entry()
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txt_in_box["justify"] = "center"
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txt_in_box.place(x=180, y=25, width=150, height=35)
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txt_in_box.focus()
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btn_add = tk.Button(text="Agregar", command=click)
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btn_add.place(x=40, y=75, width=150, height=35)
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btn_reset = tk.Button(text="Vaciar", command=reset)
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btn_reset.place(x=190, y=75, width=150, height=35)
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lst_names = tk.Listbox()
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lst_names.place(x=40, y=120, width=300, height=200)
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window.mainloop()
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