feat: kata to convert rgb to hex

README.md

@@ -31,3 +31,4 @@ Repository for CDS-2020 Programming and Promt Engineering II
 |Next bigger number with the same digits|kata_next_bigger_number_same_digits.py|test_next_bigger_number_same_digits.py|[55983863da40caa2c900004e](https://www.codewars.com/kata/55983863da40caa2c900004e)|
 |Snail|kata_snail.py|test_snail.py|[521c2db8ddc89b9b7a0000c1](https://www.codewars.com/kata/521c2db8ddc89b9b7a0000c1)|
 |Chinese Numeral Encoder|kata_chinese_numeral_encoder.py|test_chinese_numeral_encoder.py|[52608f5345d4a19bed000b31](https://www.codewars.com/kata/52608f5345d4a19bed000b31)|
+|RGB To Hex Conversion|kata_rgb_2_hex.py|test_rgb_2_hex.py|[513e08acc600c94f01000001](https://www.codewars.com/kata/513e08acc600c94f01000001)|

src/codewars/kata_rgb_2_hex.py

@@ -0,0 +1,2 @@
+def rgb(r, g, b):
+    pass

tests/test_codewars/test_rgb_2_hex.py

@@ -0,0 +1,16 @@
+from src.codewars.kata_rgb_2_hex import rgb
+import pytest
+
+
+@pytest.mark.parametrize(
+    ("r", "g", "b", "expected"),
+    [
+        (0, 0, 0, "000000"),
+        (1, 2, 3, "010203"),
+        (255, 255, 255, "FFFFFF"),
+        (254, 253, 252, "FEFDFC"),
+        (-20, 275, 125, "00FF7D"),
+    ],
+)
+def test_rgb_2_hex(r, g, b, expected):
+    assert rgb(r, g, b) == expected