Update sqlite3-python/README.md

sqlite3-python/README.md

@@ -11,19 +11,17 @@ sql = SQL()
 
 # Simple
 ```python
-def sql():
+def SQL():
     sql = __import__('sqlite3').connect('sql.db', 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)) or {k: v},
-        __getitem__=lambda _, k: 
-            sql('SELECT value FROM dict WHERE key = ?', (k,)).fetchone()[0]
-    ))()
-
-sql()[4] = 2
-print(sql()[4]) # 2
+    sql('CREATE TABLE IF NOT EXISTS d(k PRIMARY KEY, v)')
+    return type('', (), dict(__call__=lambda _, *q: [*sql(*q)],
+    __setitem__=lambda _, *kv: sql('INSERT OR REPLACE INTO d VALUES (?,?)', kv),
+    __getitem__=lambda sql, *k: sql('SELECT v FROM d WHERE k = ?', k)[0][0]))()
+#
+sql = SQL()
+sql[4] = 2
+print(sql[4]) # 2
 ```
 
 # Class