micropython: add micropython component

components/language/micropython/tests/basics/dict_fromkeys2.py

@@ -0,0 +1,10 @@
+try:
+    reversed
+except:
+    print("SKIP")
+    raise SystemExit
+
+# argument to fromkeys has no __len__
+d = dict.fromkeys(reversed(range(1)))
+#d = dict.fromkeys((x for x in range(1)))
+print(d)