from tkinter import *
import math
root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#d9ead3")
root.title("Diferença de Quadrados")

titulo = Label(text="Diferença de Quadrado (a-b)(a+b)",
               font=("Arial", "15", "bold"),bg="#d9ead3",fg="#bf9000")
titulo.place(relx=0.1, rely=0.05)
texto_sub1 = Label(text="a:",
                    font=("Arial", "14", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub1.place(relx=0.35, rely=0.25)

texto_sub2 = Label(text="b:",
                    font=("Arial", "14", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub2.place(relx=0.35, rely=0.4)
a = IntVar()
a_entrada = Entry(textvariable=a,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
a_entrada.place(relx=0.45, rely=0.25, relwidth=0.25)

b = IntVar()
b_entrada = Entry(textvariable=b,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
b_entrada.place(relx=0.45, rely=0.4, relwidth=0.25)
def limpar():
    a_entrada.delete(0, END)
    b_entrada.delete(0, END)
    resultado.set("")
def app():
    va =a.get()
    vb = b.get()
    aq =math.pow(va,2)
    bq = math.pow(vb, 2)
    d = aq -bq
    mensagem = f"Resultado da Diferença de Quadrados: {d}"
    resultado.set(mensagem)
#, command=app
but1 = Button(text="Calcular", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'))
but1.place(relx=0.05, rely=0.55, 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=0.55, 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=0.55, 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=0.75, relwidth=0.9,relheight=0.15)
root.mainloop()