#LucroBruto = Receita Total - Custo dos Produtos Vendidos
from tkinter import *
root = Tk()
root.geometry("450x400")
root.resizable(0, 0)
root.config(bg="#2d779c")
root.title("Lucro Bruto")
titulo = Label(text="Lucro Bruto",
font=("Arial", "40", "bold"),bg="#2d779c",fg="#ccdbe3")
titulo.place(relx=0.2, rely=0.05)
texto_sub1 = Label(text="Receita Total:",
font=("Arial", "13", "bold"),bg="#2d779c",fg="#ccdbe3")
texto_sub1.place(relx=0.36, rely=0.3)
texto_sub2= Label(text="Custo dos Produtos Vendidos:",
font=("Arial", "13", "bold"),bg="#2d779c",fg="#ccdbe3")
texto_sub2.place(relx=0.05, rely=0.45)
Receita_Total = DoubleVar()
Receita_Total_entrada = Entry(textvariable=Receita_Total,
font=("Arial", "12", "bold"),
bg="white", fg="blue", justify='center')
Receita_Total_entrada.place(relx=0.65, rely=0.3, relwidth=0.3)
Custos_Total = DoubleVar()
Custos_Total_entrada = Entry(textvariable=Custos_Total,
font=("Arial", "12", "bold"),
bg="white", fg="blue", justify='center')
Custos_Total_entrada.place(relx=0.65, rely=0.45, relwidth=0.3)
def app():
rt = Receita_Total.get()
ct = Custos_Total.get()
l = rt-ct
mensagem = f"Lucro Total:{l}. "
resultado.set(mensagem)
def limpar ():
Custos_Total_entrada.delete(0, END)
Receita_Total_entrada.delete(0, END)
resultado.set("")
but1 = Button(text="Calcular", bd=2, bg='#107db2', fg='white',
font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.05, rely=0.6, 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=0.38, rely=0.6, 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=0.68, rely=0.6, 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=0.2)
root.mainloop()