계산기 만들기

import tkinter as tk

disvalue = 0
oparator = {'+':1, '-':2, '/':3, '*':4, 'C':5, '=':6}
stovalue = 0
oppre = 0

def number_click(value):
    #print('숫자', value)
    global disvalue
    disvalue=(disvalue*10)+value
    str_value.set(disvalue)
    
def clear():
    global disvalue, stovalue, oppre
    stovalue=0
    oppre=0
    disvalue=0
    str_value.set(disvalue)    
    
def oprator_click(value):
    #print('명령', value)
    global disvalue, oparator, stovalue, oppre
    op = oparator[value]
    if op ==5: #C
        clear()
    elif disvalue ==0:
        oppre = 0
    elif oppre ==0:
        oppre = op
        stovalue = disvalue
        disvalue = 0
        str_value.set(str(disvalue))
    elif op == 6: #=
        if oppre == 1:
            disvalue = stovalue + disvalue
        if oppre == 2:
            disvalue = stovalue - disvalue
        if oppre == 3:
            disvalue = stovalue / disvalue
        if oppre == 4:
            disvalue = stovalue * disvalue
      
            
        str_value.set(str(disvalue))
        disvalue=0
        stovalue=0
        oppre = 0
    else:
        clear()                
    
        

def button_click(value):
    #print(value)
    try:
        value=int(value)
        number_click(value)
    except:
        oprator_click(value)
            




win = tk.Tk()
win.title('계산기')

str_value = tk.StringVar()
str_value.set(str(disvalue))
dis = tk.Entry(win, textvariable=str_value, justify='right', bg='white', fg='red')
dis.grid(column=0,row=0, columnspan=4, ipadx=80, ipady=30)

calItem = [['1', '2', '3', '4'],
           ['5', '6', '7', '8'],
           ['9', '0', '+', '-'],
           ['/', '*', 'C', '=']]

for i, items in enumerate(calItem):
    for k, item in enumerate(items):

    try:
        color=int(item)
        color='purple'
    except:
        color='pink'    
        
    bt = tk.Button(win,
                   text=item,
                   width=10,
                   height=5,
                   bg=color,
                   fg='black',
                   command=lambda cmd=item: button_click(cmd)
                   )
    bt.grid(column=k, row=(i+1))

tk.Button(win,text='1', width=10, height=5).grid(column=0, row=1)
tk.Button(win,text='2', width=10, height=5).grid(column=1, row=1)
tk.Button(win,text='3', width=10, height=5).grid(column=2, row=1)
tk.Button(win,text='4', width=10, height=5).grid(column=3, row=1)
tk.Button(win,text='5', width=10, height=5).grid(column=0, row=2)
tk.Button(win,text='6', width=10, height=5).grid(column=1, row=2)
tk.Button(win,text='7', width=10, height=5).grid(column=2, row=2)
tk.Button(win,text='8', width=10, height=5).grid(column=3, row=2)
tk.Button(win,text='9', width=10, height=5).grid(column=0, row=3)
tk.Button(win,text='0', width=10, height=5).grid(column=1, row=3)
tk.Button(win,text='+', width=10, height=5).grid(column=2, row=3)
tk.Button(win,text='-', width=10, height=5).grid(column=3, row=3)
tk.Button(win,text='/', width=10, height=5).grid(column=0, row=4)
tk.Button(win,text='*', width=10, height=5).grid(column=1, row=4)
tk.Button(win,text='C', width=10, height=5).grid(column=2, row=4)
tk.Button(win,text='=', width=10, height=5).grid(column=3, row=4)

win.mainloop()