Update sqlite3-python/README.md

sqlite3-python/README.md

@@ -11,21 +11,20 @@ sql = SQL()
 
 # Simple
 ```python
-def SQL():
+def sql():
     import sqlite3
     sql = sqlite3.connect('db.sqlite', isolation_level=None).execute
     sql('PRAGMA journal_mode=WAL')
     sql('CREATE TABLE IF NOT EXISTS dict (key TEXT PRIMARY KEY, value)')
     return type('', (), dict(__call__=lambda _, *args: [*sql(*args)],
         __setitem__=lambda _, k, v: sql(
-            'INSERT OR REPLACE INTO dict VALUES (?, ?)', (k, v)),
+            'INSERT OR REPLACE INTO dict VALUES (?, ?)', (k, v)) or {k: v},
         __getitem__=lambda _, k: sql(
             'SELECT value FROM dict WHERE key = ?', (k,)).fetchone()[0]
     ))()
 #
-sql = SQL()
-sql[4] = 2
-print(sql[4]) # 2
+sql()[4] = 2
+print(sql()[4]) # 2
 ```
 
 # Class