bytearray: Print objects properly.

py/objarray.c

@@ -124,10 +124,10 @@ static void array_set_el(mp_obj_array_t *o, int index, mp_obj_t val_in) {
 static void array_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
     mp_obj_array_t *o = o_in;
     if (o->typecode == BYTEARRAY_TYPECODE) {
-        print(env, "bytearray(", o->typecode);
+        print(env, "bytearray(b", o->typecode);
+        mp_str_print_quoted(print, env, o->items, o->len);
     } else {
         print(env, "array('%c'", o->typecode);
-    }
         if (o->len > 0) {
             print(env, ", [", o->typecode);
             for (int i = 0; i < o->len; i++) {
@@ -138,6 +138,7 @@ static void array_print(void (*print)(void *env, const char *fmt, ...), void *en
             }
             print(env, "]");
         }
+    }
     print(env, ")");
 }
 

tests/basics/bytearray1.py

 a = bytearray([1, 2, 200])
 print(a[0], a[2])
 print(a[-1])
+print(a)
 a[2] = 255
 print(a[-1])
 a.append(10)