from tkinter import *

root = Tk()
root.geometry("400x300")
root.resizable(0, 0)
root.config(bg="#03fce8")
root.title("Obter um Brinde")
def app():
    vcompra = Valor_Compra.get()
    b = base.get()
    brindes = vcompra//b
    brindesarr = round(brindes,0)
    if brindes<1:
        mensagem ="Não tem direito a nenhum brinde."
    elif brindes ==1:
        mensagem = "Tem direito a 1 a brinde."

    else:
        mensagem =f"Você tem direito a {brindesarr} brindes!"
    resultado.set(mensagem)

def limpar():
    Valor_Compra_entrada.delete(0, END)
    base_entrada.delete(0, END)
titulo = Label(text="Obter um Brinde",
               font=("Arial", "20", "bold"),bg="#03fce8",fg="#fc5603")
titulo.place(relx=0.2, rely=0.05)
texto_sub1  = Label(text="Valor da Compra: ",
                    font=("Arial", "13", "bold"),bg="#03fce8",fg="#fc5603")
texto_sub1.place(relx=0.15, rely=0.25)
texto_sub2  = Label(text="Por cada Compra: ",
                    font=("Arial", "13", "bold"),bg="#03fce8",fg="#fc5603")
texto_sub2.place(relx=0.15, rely=0.45)
Valor_Compra = DoubleVar()
Valor_Compra_entrada = Entry(textvariable=Valor_Compra,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Valor_Compra_entrada.place(relx=0.55, rely=0.25, relwidth=0.35)

base = IntVar()
base_entrada = Entry(textvariable=base,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
base_entrada.place(relx=0.55, rely=0.45, relwidth=0.35)
#
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="#5fc2ba")
resultado_texto.place(relx=0.05, rely=0.85, relwidth=0.9,relheight=0.1)
root.mainloop()