Update sqlite3-python/README.md

sqlite3-python/README.md

@@ -24,7 +24,7 @@ print(list(sql)) # [4]
 
 # Cache
 ```python
-class SQL:
+class Cache:
     def __init__(self):
         import sqlite3
         con = sqlite3.connect('fetch.db', isolation_level=None, timeout=1e999)
@@ -44,9 +44,9 @@ class SQL:
         import urllib.request
         if not (blob := self[url]): self[url] = urllib.request.urlopen(url).read()
         return self[url]
-sql = SQL()
-sql.fetch('https://example.com')
-list(sql)
+cache = Cache()
+cache.fetch('https://example.com')
+print(list(cache))
 ```
 
 # Class