import sqlite3
from tkinter import *

def addtolist():
    newname=sname.get
    newgrade=sgrade.get
    cursor.execute("INSERT INTO Scores (name,score) VALUES (?,?)", (newname,newgrade))
    db.commit()
    sname.delete(0,END)
    sgrade.delete(0,END)
    sname.focus()

def clearlist():
    sname.delete(0,END)
    sgrade.delete(0,END)
    sname.focus()

with sqlite3.connect("TestScore.db") as db:
    cursor=db.cursor()

cursor.execute("""CREATE TABLE IF NOT EXISTS Scores(
    id integer RIMAY KEY, name text, score integer);""")

window=Tk()
window.title("TestScores")
window.geometry("450x200")

label1=Label(text="Enter student's name: ")
label1.place(x=30, y=35)
sname=Entry(text="")
sname.place(x=150, y=35, width=200, height=25)
sname.focus()

label2=Label(text="Enter student's grade: ")
label2.place(x=30, y=80)
sgrade=Entry(text="")
sgrade.place(x=150, y=80, width=200, height=25)
sgrade.focus()

addbtn=Button(text="Add", command=addtolist)
addbtn.place(x=150, y=120, width=75, height=25)
clearbtn=Button(text="Clear", command=clearlist)
clearbtn.place(x=250, y=120, width=75, height=25)

window.mainloop()
db.close