pythonworkshop_project/gui_calculator.py at master · Zeeshan17CO50/pythonworkshop_project · GitHub

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from tkinter import *

def btnclick(numbers):
    global operator
    operator+=str(numbers)
    text_Input.set(operator)

def btnclear():
    global operator
    operator=""
    text_Input.set("")

def btnEquals():
    global operator
    sumup = str(eval(operator))
    text_Input.set(sumup)
    operator=""


cal=Tk()
cal.title("GUI CALCULATOR")
operator=""
text_Input=StringVar()

textDisplay = Entry(cal,font=('times',20,'bold'),textvariable=text_Input,bd=30,insertwidth=3,bg='cyan',justify='right').grid(columnspan=4)

button7 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='7',command=lambda:btnclick(7))
button7.grid(row=1,column=0)

button8 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='8',command=lambda:btnclick(8))
button8.grid(row=1,column=1)

button9 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='9',command=lambda:btnclick(9))
button9.grid(row=1,column=2)

buttonAdd = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='+',command=lambda:btnclick("+"))
buttonAdd.grid(row=1,column=3)

##################################################

button4 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='4',command=lambda:btnclick(4))
button4.grid(row=2,column=0)

button5 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='5',command=lambda:btnclick(5))
button5.grid(row=2,column=1)

button6 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='6',command=lambda:btnclick(6))
button6.grid(row=2,column=2)

buttonSub = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='-',command=lambda:btnclick("-"))
buttonSub.grid(row=2,column=3)

########################################################

button1 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='1',command=lambda:btnclick(1))
button1.grid(row=3,column=0)

button2 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='2',command=lambda:btnclick(2))
button2.grid(row=3,column=1)

button3 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='3',command=lambda:btnclick(3))
button3.grid(row=3,column=2)

buttonMul = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='*',command=lambda:btnclick("*"))
buttonMul.grid(row=3,column=3)

##########################################################

button0 = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='0',command=lambda:btnclick(0))
button0.grid(row=4,column=0)

buttonClr = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='C',command=btnclear)
buttonClr.grid(row=4,column=1)

buttonEql = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='=',command=btnEquals)
buttonEql.grid(row=4,column=2)

buttondiv = Button(cal,padx=16,pady=16,bd=8,fg='black',font=('arial',20,'bold'),text='/',command=lambda:btnclick("/"))
buttondiv.grid(row=4,column=3)


cal.mainloop()