import tkinter as tk

def equals_click():
    try:
        lbl_display["text"] = str(round(eval(lbl_display["text"]),5))
    except:
        lbl_display["text"] = lbl_display["text"]

def btn_click(value):
    if value == "C":
        lbl_display["text"] = ""
    else:
        if value == "x":
            value = "*"
        #elif value == "÷":
        #    value = "/"
        lbl_display["text"] += value

def delete_button():
    lbl_display["text"]=lbl_display["text"][:-1]

    
window = tk.Tk()
window.title("Calculator")

frm_display = tk.Frame(window, bd = 2)
frm_buttons = tk.Frame(window, bd = 2)


lbl_display = tk.Label(frm_display, bg = "#E3F8FF", width="20",relief=tk.RAISED)

btn_zero = tk.Button(frm_buttons, text="0", width="4",bg = "#EDD9DF", command = lambda:btn_click("0"))
btn_one = tk.Button(frm_buttons, text="1",bg = "#EDD9DF", command = lambda:btn_click("1"))
btn_two = tk.Button(frm_buttons, text="2",bg = "#EDD9DF", command = lambda:btn_click("2"))
btn_three = tk.Button(frm_buttons, text="3",bg = "#EDD9DF", command = lambda:btn_click("3"))
btn_four = tk.Button(frm_buttons, text="4",bg = "#EDD9DF", command = lambda:btn_click("4"))
btn_five = tk.Button(frm_buttons, text="5",bg = "#EDD9DF", command = lambda:btn_click("5"))
btn_six = tk.Button(frm_buttons, text="6",bg = "#EDD9DF", command = lambda:btn_click("6"))
btn_seven = tk.Button(frm_buttons, text="7",bg = "#EDD9DF", command = lambda:btn_click("7"))
btn_eight = tk.Button(frm_buttons, text="8",bg = "#EDD9DF", command = lambda:btn_click("8"))
btn_nine = tk.Button(frm_buttons, text="9",bg = "#EDD9DF", command = lambda:btn_click("9"))
btn_plus = tk.Button(frm_buttons, text="+", width="4", command = lambda:btn_click("+"))
btn_minus = tk.Button(frm_buttons, text="-", command = lambda:btn_click("-"))
#btn_divide = tk.Button(frm_buttons, text="÷", command = lambda:btn_click("÷"))
btn_divide = tk.Button(frm_buttons, text="/", command = lambda:btn_click("/"))
btn_multiply = tk.Button(frm_buttons, text="x", command = lambda:btn_click("x"))
btn_equals = tk.Button(frm_buttons, text="=", width="4", bg = "#CFBBCF", command = lambda:equals_click())
btn_decimalpoint = tk.Button(frm_buttons, text=".", width="4",bg = "#EDD9DF", command = lambda:btn_click("."))
btn_openbracket = tk.Button(frm_buttons, text="(", command = lambda:btn_click("("))
btn_closebracket = tk.Button(frm_buttons, text=")", command = lambda:btn_click(")"))
btn_clear = tk.Button(frm_buttons, text="C", command = lambda:btn_click("C"))
btn_delete = tk.Button(frm_buttons, text="DEL", command = lambda:delete_button())



btn_openbracket.grid(row=0, column=0, sticky="ew", padx=1, pady=1)
btn_closebracket.grid(row=0, column=1, sticky="ew", padx=1, pady=1)
btn_clear.grid(row=0, column=2, sticky="ew", padx=1, pady=1)
btn_delete.grid(row=0, column=3, sticky="ew", padx=1, pady=1)
btn_seven.grid(row=1, column=0, sticky="ew", padx=1, pady=1)
btn_eight.grid(row=1, column=1, sticky="ew", padx=1, pady=1)
btn_nine.grid(row=1, column=2, sticky="ew", padx=1, pady=1)
btn_divide.grid(row=1, column=3, sticky="ew", padx=1, pady=1)
btn_four.grid(row=2, column=0, sticky="ew", padx=1, pady=1)
btn_five.grid(row=2, column=1, sticky="ew", padx=1, pady=1)
btn_six.grid(row=2, column=2, sticky="ew", padx=1, pady=1)
btn_multiply.grid(row=2, column=3, sticky="ew", padx=1, pady=1)
btn_one.grid(row=3, column=0, sticky="ew", padx=1, pady=1)
btn_two.grid(row=3, column=1, sticky="ew", padx=1, pady=1)
btn_three.grid(row=3, column=2, sticky="ew", padx=1, pady=1)
btn_minus.grid(row=3, column=3, sticky="ew", padx=1, pady=1)
btn_zero.grid(row=4, column=0, sticky="ew", padx=1, pady=1)
btn_decimalpoint.grid(row=4, column=1, sticky="ew", padx=1, pady=1)
btn_equals.grid(row=4, column=2, sticky="ew", padx=1, pady=1)
btn_plus.grid(row=4, column=3, sticky="ew", padx=1, pady=1)

lbl_display.grid(row=0, column=0, padx=1, pady=1)

frm_display.grid(row=0, column=0)
frm_buttons.grid(row=1, column=0)

window.mainloop()