simple py code to add data to sqlite via a tk ui code example

Example: how do i wrire data to sqlite db via tkinter ui

l0 = tk.Label(my_w,  text='Add Student',
              font=('Helvetica', 16), width=30,anchor="c" )  
l0.grid(row=1,column=1,columnspan=4) 

l1 = tk.Label(my_w,  text='Name: ', width=10,anchor="c" )  
l1.grid(row=3,column=1) 

# add one text box
t1 = tk.Text(my_w,  height=1, width=10,bg='white') 
t1.grid(row=3,column=2) 

l2 = tk.Label(my_w,  text='Class: ', width=10 )  
l2.grid(row=4,column=1) 

# add list box for selection of class
options = StringVar(my_w)
options.set("") # default value

opt1 = OptionMenu(my_w, options, "Three", "Four", "Five")
opt1.grid(row=4,column=2)

l3 = tk.Label(my_w,  text='Mark: ', width=10 )  
l3.grid(row=5,column=1) 

# add one text box
t3 = tk.Text(my_w,  height=1, width=4,bg='white') 
t3.grid(row=5,column=2) 

radio_v = tk.StringVar()
radio_v.set('Female')
r1 = tk.Radiobutton(my_w, text='Male', variable=radio_v, value='Male')
r1.grid(row=6,column=2)

r2 = tk.Radiobutton(my_w, text='Female', variable=radio_v, value='Female')
r2.grid(row=6,column=3)

b1 = tk.Button(my_w,  text='Add Record', width=10, 
               command=lambda: add_data())  
b1.grid(row=7,column=2) 
my_str = tk.StringVar()
l5 = tk.Label(my_w,  textvariable=my_str, width=10 )  
l5.grid(row=3,column=3) 
my_str.set("Output")