Calculator

import tkinter
from tkinter import *

root = Tk()
root.title("Calculator")
root.geometry("570x600+100+200")
root.resizable(False, False)
root.configure(bg="#17161b")

equation = ""

def show(value):

    global equation
    equation+= value
    label_result.config(text=equation)


def clear():
    global equation
    equation = ""
    label_result.config(text=equation)


def calculate():
    global equation

    result = ""
    if equation != ""
        try:
            result = eval(equation)
        except:
            ZeroDivisionError:
                result = "Cannot divide by zero"
                equation = ""

        except:
            SyntaxError:
                result = "Syntax error"
                equation = ""

        except:
            result = "error"
            equation = ""

    label_result.config(text=result)



label_result = Label(root,width=25,height=2,text="",font=("arial",30))
label_result.pack()

Button(root,text"C", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#3697f5", command=lambda: clear()).place(x=10,y=100)
Button(root,text"/", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("/")).place(x=150,y=100)
Button(root,text"%", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("%")).place(x=290,y=100)
Button(root,text"*", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("*")).place(x=430,y=100)


Button(root,text"7", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("7")).place(x=10,y=200)
Button(root,text"8", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("8")).place(x=150,y=200)
Button(root,text"9", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("9")).place(x=290,y=200)
Button(root,text"-", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("-")).place(x=430,y=200)


Button(root,text"4", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("4")).place(x=10,y=300)
Button(root,text"5", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("5")).place(x=150,y=300)
Button(root,text"6", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("6")).place(x=290,y=300)
Button(root,text"+", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("+")).place(x=430,y=300)


Button(root,text"1", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("1")).place(x=10,y=400)
Button(root,text"2", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("2")).place(x=150,y=400)
Button(root,text"3", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("3")).place(x=290,y=400)
Button(root,text"0", width=11, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show("0")).place(x=10,y=500)


Button(root,text".", width=5, height=1, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#2a2d36", command=lambda: show(".")).place(x=290,y=500)
Button(root,text"=", width=5, height=3, font=("arial",30,"bold"), bd=1, fg="#fff",bg="#fe9037", command=lambda: calculate()).place(x=430,y=400)

root.mainloop()