I would like to create 2 different groups of radio buttons. The user would select one option from either group. There would be a function that would get the values(strings) from the selected radio buttons and then print them. Here's my code but it doesn't work (i'm new to python).
from tkinter import *
root = Tk()
btn1 = "lol"
btn2 = "lel"
def funkcija():
n = entry1.get()
m = "null"
X = btn1.get()
Y = btn2.get()
print("%s %s je %s %s." % (n, X, m, Y))
theLabel = Label(root, text="Vnesite količino in izberite prvo valuto.")
theLabel.grid(row=0, columnspan=3)
gumb1=Radiobutton(root,text="Euro",value = "euro",variable = "btn1").grid(row=2, column=1, sticky=W)
gumb2=Radiobutton(root,text="Dolar",value = "dolar",variable = "btn1").grid(row=3, column=1, sticky=W)
gumb3=Radiobutton(root,text="Funt",value = "funt",variable = "btn1").grid(row=4, column=1, sticky=W)
label3= Label(root, text="Izberite drugo valuto.")
label3.grid(row=6, columnspan=3)
label35= Label(root)
label35.grid(row=5, columnspan=3)
gumb4=Radiobutton(root,text="Euro",value = "euro",variable = "btn2").grid(row=7, column=1, sticky=W)
gumb5=Radiobutton(root,text="Dolar",value = "dolar",variable = "btn2").grid(row=8, column=1, sticky=W)
gumb6=Radiobutton(root,text="Funt",value = "funt",variable = "btn2").grid(row=9, column=1, sticky=W)
label1 = Label(root, text="Količina:")
label1.grid(row=1, sticky=E)
entry1 = Entry(root)
entry1.grid(row=1, column=1, sticky=W)
go = Button(root, text="Izračun", fg="white", bg="black", command=funkcija)
go.grid(row=10, columnspan=3)
root.mainloop()
In your radio button, analyze the parameters that you are passing:
gumb1 = Radiobutton(root,
text = "Euro",
value = "Euro",
variable = "btn2"
The parameters value and variable are what stores the data of the radio button. You've set your value option correctly. The interpreter will automatically set the variable with the value when the radio button is selected.
But here's where your issue is:
variable = "btn2"
"btn2" is a string. Not very useful though, is it? In fact, you're trying to perform methods on it that don't even exist. Such as here:
def funkcija():
X = btn2.get()
In fact, taking this information, you almost got there!
At the top of your script, you need to set btn2 to Tkinter's StringVar, like so:
from tkinter import *
btn1 = StringVar()
btn2 = StringVar()
Now that's done, let's change our parameters in our radio buttons.
gumb1 = Radiobutton(root,
text = "Euro",
value = "Euro",
variable = btn2
Now, Tkinter will automatically update the variable when it is selected. To get the value, do the same that you had done in your funkcija.
X = btn2.get()
And then the value of btn2 (which was updated by the radio buttons) will not be read, and stored into the variable X.
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