Question

write a python code for a claculator

Answer 1

from tkinter import*

def btnClick (numbers) :

global operator

operator=operator + str (numbers)

text_Input.set(operator)

def btnClearDisplay ():

global operator

operator=""

text_Input.set("")

def btnEqualsInput () :

global operator

sumup=str (eval(operator))

text_Input.set(sumup)

operator=""

cal = Tk ()

cal . title("Calculator")

operator=""

text_Input =StringVar ()

txtDisplay = Entry (cal ,font=('arial' ,20 ,'bold') , textvariable=text_Input, bd=30 , insertwidth=4,bg="powder blue" , justify='right').grid(columnspan=4)

btn7=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="7" ,bg="powder blue",command=lambda:btnClick(7)) .grid(row=1 ,column=0)

btn8=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="8" ,bg="powder blue",command=lambda:btnClick(8)) .grid(row=1 ,column=1)

btn9=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="9",bg="powder blue",command=lambda:btnClick(9)) .grid(row=1 ,column=2)

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

#=========================================================

btn4=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="4",bg="powder blue",command=lambda:btnClick(4)) .grid(row=2 ,column=0)

btn5=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="5",bg="powder blue",command=lambda:btnClick(5)) .grid(row=2 ,column=1)

btn6=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="6",bg="powder blue",command=lambda:btnClick(6)) .grid(row=2 ,column=2)

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

#=========================================================

btn1=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="1",bg="powder blue",command=lambda:btnClick(1)) .grid(row=3 ,column=0)

btn2=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="2",bg="powder blue",command=lambda:btnClick(2)) .grid(row=3 ,column=1)

btn3=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="3",bg="powder blue",command=lambda:btnClick(3)) .grid(row=3 ,column=2)

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

#=========================================================

btn0=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="0",bg="powder blue",command=lambda:btnClick(0)) .grid(row=4 ,column=0)

btnClear=Button (cal,padx=16,pady=16,bd=8,fg="black" ,font=('arial' , 20,'bold') ,text="C" , bg="powder blue" ,command= btnClearDisplay).grid(row=4 ,column=1)

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

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

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Answer 2

Answer: Please see the attachment

bcc0ad5ac4ec17bb6a7790d2a30f3892.txt