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Calculator.py
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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()
#To modify and change the title of the calculator you can do it down here.
cal.title("Jean's 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)
cal.mainloop()