Create database.py

database/database.py

@@ -0,0 +1,30 @@
+import sqlite3
+
+class Database:
+    def __init__(self):
+        self.connection = sqlite3.connect('banking.db')
+        self.cursor = self.connection.cursor()
+
+    def create_table(self):
+        self.cursor.execute('''CREATE TABLE IF NOT EXISTS accounts (id INTEGER PRIMARY KEY, name TEXT, balance REAL)''')
+        self.connection.commit()
+
+    def insert_account(self, name, balance):
+        self.cursor.execute("INSERT INTO accounts (name, balance) VALUES (?, ?)", (name, balance))
+        self.connection.commit()
+
+    def update_account(self, id, name, balance):
+        self.cursor.execute("UPDATE accounts SET name=?, balance=? WHERE id=?", (name, balance, id))
+        self.connection.commit()
+
+    def delete_account(self, id):
+        self.cursor.execute("DELETE FROM accounts WHERE id=?", (id,))
+        self.connection.commit()
+
+    def get_account(self, id):
+        self.cursor.execute("SELECT * FROM accounts WHERE id=?", (id,))
+        return self.cursor.fetchone()
+
+    def get_all_accounts(self):
+        self.cursor.execute("SELECT * FROM accounts")
+        return self.cursor.fetchall()