Olá, mundo! (em tkinter)

from tkinter import *

root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Olá, mundo!")
titulo = Label(text="Olá, mundo!",
               font=("Arial", 28, "bold"), bg="#103030", fg="#49e3e3")
titulo.place(relx=0.2, rely=0.05)

texto_sub1 = Label(text="Escolhe uma língua",
                   font=("Arial", 18, "bold"), bg="#103030", fg="#49e3e3")
texto_sub1.place(relx=0.2, rely=0.25)
mensagens = {
    "Alemão": "Hallo, Welt!",
    "Árabe": "مرحبا بالعالم!",
    "Bengali": "হ্যালো, বিশ্ব!",
    "Búlgaro": "Здравей, свят!",
    "Chinês": "你好，世界!",
    "Croata": "Pozdrav svijete!",
    "Eslovaco": "Ahoj, svet!",
    "Espanhol": "Hola, mundo!",
    "Estoniano": "Tere, maailm!",
    "Filipino (Tagalo)": "Kamusta, mundo!",
    "Finlandês": "Hei maailma!",
    "Francês": "Bonjour, monde!",
    "Georgiano": "გამარჯობა, მსოფლიო!",
    "Grego": "Γειά σου, κόσμε!",
    "Hebraico": "שלום עולם!",
    "Hindi": "नमस्ते दुनिया!",
    "Holandês": "Hallo, wereld!",
    "Húngaro": "Helló, világ!",
    "Indonésio": "Halo, dunia!",
    "Inglês": "Hello, world!",
    "Islandês": "Halló, heimur!",
    "Italiano": "Ciao, mondo!",
    "Japonês": "こんにちは、世界!",
    "Letão": "Sveika, pasaule!",
    "Lituano": "Labas pasauli!",
    "Malaio": "Hai dunia!",
    "Norueguês": "Hei, verden!",
    "Persa (Farsi)": "سلام دنیا!",
    "Polonês": "Witaj, świecie!",
    "Português": "Olá Mundo!",
    "Romeno": "Salut, lume!",
    "Russo": "Привет, мир!",
    "Sérvio": "Здраво, свете!",
    "Sueco": "Hej, världen!",
    "Suaíli": "Salamu, dunia!",
    "Tailandês": "สวัสดีชาวโลก!",
    "Tcheco": "Ahoj, světe!",
    "Turco": "Merhaba, dünya!",
    "Ucraniano": "Привіт, світ!",
    "Urdu": "ہیلو، دنیا!",
    "Vietnamita": "Xin chào, thế giới!"
}

linguas = sorted(mensagens.keys())

var = StringVar()
var.set(linguas[0])
dropdown = OptionMenu(root, var, *linguas)
dropdown.place(relx=0.25, rely=0.4, relwidth=0.5)
dropdown.config(background='#09A3BA', foreground="#FFFFFF", font=("Arial", 14, "bold"))
dropdown["menu"].config(background='#09A3BA', foreground="#FFFFFF", font=("Arial", 12))
def app():
    v = var.get()
    mensagem = mensagens.get(v, "Idioma não suportado.")
    resultado_texto.config(text=mensagem)

def limpar():
    resultado_texto.config(text="")
but1 = Button(text="Mostrar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.1, rely=0.65, relwidth=0.25, relheight=0.1)

but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.4, rely=0.65, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                  font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.7, rely=0.65, relwidth=0.25, relheight=0.1)

resultado_texto = Label(text="",
                        font=("Arial", 14, "bold"), bg="#cfe2f3", anchor="center")
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9, relheight=0.1)
root.mainloop()
Mundo em Python

Olá, mundo! (em tkinter)
