from tkinter import *
from datetime import datetime
root = Tk()
root.geometry("500x400")
root.resizable(0, 0)
root.config(bg="#d9ead3")
root.title("Diferença entre idades")
def limpar():
    Data1_entrada.delete(0, END)
    Data2_entrada.delete(0, END)

def app():
    n1 = Data1.get()
    n2 = Data2.get()
    formato = "%d/%m/%Y"
    data1_obj = datetime.strptime(n1, formato)
    data2_obj = datetime.strptime(n2, formato)
    if n1 > n2 :
             diferenca = data1_obj - data2_obj
             anos = diferenca.days // 365
             meses = (diferenca.days % 365) // 30
             dias = (diferenca.days % 365) % 30
    else:
        diferenca = data2_obj - data1_obj
        anos = diferenca.days // 365
        meses = (diferenca.days % 365) // 30
        dias = (diferenca.days % 365) % 30
    mensagem = f'A diferença de idade é de {anos} anos, {meses} meses e {dias} dias.'
    resultado.set(mensagem)
titulo = Label(text="Diferença entre idades",
               font=("Arial", "20", "bold"),bg="#d9ead3",fg="#bf9000")
titulo.place(relx=0.15, rely=0.05)
texto_sub1  = Label(text="Data 1 (dd/mm/aaaa):",
                    font=("Arial", "15", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub1.place(relx=0.1, rely=0.3)

texto_sub2  = Label(text="Data 2 (dd/mm/aaaa):",
                    font=("Arial", "15", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub2.place(relx=0.1, rely=0.5)

Data1 = StringVar()
Data1_entrada = Entry(textvariable=Data1,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Data1_entrada.place(relx=0.6, rely=0.3, relwidth=0.3)
Data2 = StringVar()
Data2_entrada = Entry(textvariable=Data2,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Data2_entrada.place(relx=0.6, rely=0.5, relwidth=0.3)

#
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.05, 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=0.35, 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=0.65, rely=0.65, relwidth=0.25, relheight=0.1)

resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.85, relwidth=0.9,relheight=0.1)

root.mainloop()