Move the 3k reST doc tree in place.

Doc/includes/sqlite3/executemany_1.py

@@ -0,0 +1,24 @@
+import sqlite3
+
+class IterChars:
+    def __init__(self):
+        self.count = ord('a')
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self.count > ord('z'):
+            raise StopIteration
+        self.count += 1
+        return (chr(self.count - 1),) # this is a 1-tuple
+
+con = sqlite3.connect(":memory:")
+cur = con.cursor()
+cur.execute("create table characters(c)")
+
+theIter = IterChars()
+cur.executemany("insert into characters(c) values (?)", theIter)
+
+cur.execute("select c from characters")
+print(cur.fetchall())