Dec-20-2018, 07:59 PM
(This post was last modified: Dec-20-2018, 08:04 PM by ichabod801.)
Hello Everyone, i am stuck at the multiply function using Tkinter, any help is greatly appreciated. Addition seems to be fine.
from tkinter import * def calc_sum(event): num1 = int(num1Entry.get()) num2 = int(num2Entry.get()) sum = num1 + num2 sumTotalEntry.delete(0,sum) sumTotalEntry.insert(0,sum) def multiply_num(event): num1= num1Entry.get() num2= num2Entry.get() mul= num1 * num2 #mulTotalEntry.delete(0,mul) mulTotalEntry.insert(0,mul) root=Tk() num1Entry = Entry(root) num1Entry.grid(row=0) plusLabel = Label(root,text="+",font=("Verdana",8)) plusLabel.grid(row=0,column=1) num2Entry = Entry(root) num2Entry.grid(row=0,column=2) equalButton=Button(root,text="=",font=("Verdana",8)) equalButton.bind('<Button-1>',calc_sum) equalButton.grid(row=0,column=3) sumTotalEntry=Entry(root) sumTotalEntry.grid(row=0,column=4) mul1Entry = Entry(root) mul1Entry.grid(row=1) mulLabel = Label(root,text="*",font=("Verdana",8)) mulLabel.grid(row=1,column=1) mul2Entry = Entry(root) mul2Entry.grid(row=1,column=2) equalButton2=Button(root,text="=",font=("Verdana",8)) equalButton2.bind('<Button-1>',multiply_num) equalButton2.grid(row=1,column=3) mulTotalEntry=Entry(root) mulTotalEntry.grid(row=1,column=4) root.mainloop()Below is the error i get
Output:Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Program Files\Python35\lib\tkinter\__init__.py", line 1549, in __call__
return self.func(*args)
File "C:/Users/auppu/Downloads/Py/2.py", line 18, in multiply_num
mul= num1 * num2
TypeError: can't multiply sequence by non-int of type 'str'