diff --git a/tests/snippets/bytes.py b/tests/snippets/bytes.py
index 1a4b43dfb..85469b756 100644
--- a/tests/snippets/bytes.py
+++ b/tests/snippets/bytes.py
@@ -14,7 +14,28 @@ except TypeError:
 else:
     assert False
 
-# 
+a = b"abcd"
+b = b"ab"
+c = b"abcd"
+
+#
+# repr
+assert repr(bytes([0, 1, 2])) == repr(b'\x00\x01\x02')
+assert (
+repr(bytes([0, 1, 9, 10, 11, 13, 31, 32, 33, 89, 120, 255])
+== "b'\\x00\\x01\\t\\n\\x0b\\r\\x1f !Yx\\xff'")
+)
+assert repr(b"abcd") == "b'abcd'"
+
+#len
+assert len(bytes("abcdé", "utf8")) == 6
+
+#
+assert a == b"abcd"
+# assert a > b
+# assert a >= b
+# assert b < a
+# assert b <= a
 
 assert b'foobar'.__eq__(2) == NotImplemented
 assert b'foobar'.__ne__(2) == NotImplemented
diff --git a/vm/src/obj/objbyteinner.rs b/vm/src/obj/objbyteinner.rs
index fd08e4b93..8d32aeabf 100644
--- a/vm/src/obj/objbyteinner.rs
+++ b/vm/src/obj/objbyteinner.rs
@@ -1,4 +1,3 @@
-use crate::obj::objtype::PyClassRef;
 use crate::pyobject::PyObjectRef;
 
 use crate::function::OptionalArg;
@@ -93,4 +92,33 @@ impl PyByteInner {
             }
         }
     }
+
+    pub fn repr(&self) -> PyResult<String> {
+        let mut res = String::with_capacity(self.elements.len());
+        for i in self.elements.iter() {
+            match i {
+                0..=8 => res.push_str(&format!("\\x0{}", i)),
+                9 => res.push_str("\\t"),
+                10 => res.push_str("\\n"),
+                13 => res.push_str("\\r"),
+                32..=126 => res.push(*(i) as char),
+                _ => res.push_str(&format!("\\x{:x}", i)),
+            }
+        }
+        Ok(res)
+    }
+
+    pub fn len(&self) -> usize {
+        self.elements.len()
+    }
+
+    pub fn eq(&self, other: &PyByteInner, vm: &VirtualMachine) -> PyResult {
+        if self.elements == other.elements {
+            Ok(vm.new_bool(true))
+        } else {
+            Ok(vm.new_bool(false))
+        }
+    }
 }
+// TODO
+// fix b"é" not allowed should be bytes("é", "utf8")