diff --git a/README.md b/README.md
index 8133d20..02df006 100644
--- a/README.md
+++ b/README.md
@@ -8,19 +8,19 @@
 
 for solutions in rust, refer to [rust repo][rustrepo]
 
-|    | 2015        | 2016        | 2017        | 2018        | 2019        | 2020        | 2021        | 2022        |
+|    | 2015        | 2016        | 2017        | 2018        | 2019        | 2020        | 2021        | 2022        | 2023        |
 | -  | -           | -           | -           | -           | -           | -           | -           | -           |
-| 01 | [puzzle][201501p]</br>[✓][201501] |  |  |  |  |  |  | [puzzle][202201p]</br>[✓][202201] |
-| 02 | [puzzle][201502p]</br>[✓][201502] |  |  |  |  |  |  |  |
-| 03 | [puzzle][201503p]</br>[✓][201503] |  |  |  |  |  |  |  |
-| 04 | [puzzle][201504p]</br>[✓][201504] |  |  |  |  |  |  |  |
-| 05 | [puzzle][201505p]</br>[✓][201505] |  |  |  |  |  |  |  |
-| 06 | [puzzle][201506p]</br>[✓][201506] |  |  |  |  |  |  |  |
-| 07 | [puzzle][201507p]</br>[✓][201507] |  |  |  |  |  |  |  |
-| 08 | [puzzle][201508p]</br>[✓][201508] |  |  |  |  |  |  |  |
-| 09 | [puzzle][201509p]</br>[✓][201509] |  |  |  |  |  |  |  |
-| 10 | [puzzle][201510p]</br>[✓][201510] |  |  |  |  |  |  |  |
-| 11 | [puzzle][201511p]</br>[✓][201511] |  |  |  |  |  |  |  |
+| 01 | [puzzle][201501p]</br>[✓][201501] |  |  |  |  |  |  | [puzzle][202201p]</br>[✓][202201] | [puzzle][202301p]</br>[✓][202301] |
+| 02 | [puzzle][201502p]</br>[✓][201502] |  |  |  |  |  |  |  |  |
+| 03 | [puzzle][201503p]</br>[✓][201503] |  |  |  |  |  |  |  |  |
+| 04 | [puzzle][201504p]</br>[✓][201504] |  |  |  |  |  |  |  |  |
+| 05 | [puzzle][201505p]</br>[✓][201505] |  |  |  |  |  |  |  |  |
+| 06 | [puzzle][201506p]</br>[✓][201506] |  |  |  |  |  |  |  |  |
+| 07 | [puzzle][201507p]</br>[✓][201507] |  |  |  |  |  |  |  |  |
+| 08 | [puzzle][201508p]</br>[✓][201508] |  |  |  |  |  |  |  |  |
+| 09 | [puzzle][201509p]</br>[✓][201509] |  |  |  |  |  |  |  |  |
+| 10 | [puzzle][201510p]</br>[✓][201510] |  |  |  |  |  |  |  |  |
+| 11 | [puzzle][201511p]</br>[✓][201511] |  |  |  |  |  |  |  |  |
 
 [201501]: https://github.com/Stegallo/adventofcode/blob/master/y_2015/day1.py
 [201501p]: https://adventofcode.com/2015/day/1
@@ -48,6 +48,9 @@ for solutions in rust, refer to [rust repo][rustrepo]
 [202201]: https://github.com/Stegallo/adventofcode/blob/master/y_2022/day1.py
 [202201p]: https://adventofcode.com/2022/day/1
 
+[202301]: https://github.com/Stegallo/adventofcode/blob/master/y_2023/day1.py
+[202301p]: https://adventofcode.com/2023/day/1
+
 [rustrepo]: https://github.com/Stegallo/adventofcodeinrust
 
 ## to run the code
diff --git a/y_1900/day0.py b/y_1900/day0.py
index 2a6ff1b..23edd15 100644
--- a/y_1900/day0.py
+++ b/y_1900/day0.py
@@ -11,11 +11,9 @@ def _preprocess_input(self):
         self.__input_data = self._input_data[0]
 
     def _calculate_1(self):
-        x = self.__input_data
-        print(f"{x=}")
+        for x in self.__input_data:
+            print(f"{x}")
         return 0
 
     def _calculate_2(self):
-        x = self.__input_data
-        print(f"{x=}")
         return 0
diff --git a/y_2023/day1.py b/y_2023/day1.py
new file mode 100644
index 0000000..787b989
--- /dev/null
+++ b/y_2023/day1.py
@@ -0,0 +1,43 @@
+from common.aoc import AoCDay
+from typing import List
+
+SPELLED = [
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+]
+
+
+class Day(AoCDay):
+    def __init__(self, test=0):
+        super().__init__(__name__, test)
+
+    def _preprocess_input(self):
+        self.__input_data = self._input_data[0]
+
+    @staticmethod
+    def replace_word_with_number(input: str) -> str:
+        for c, k in enumerate(SPELLED):
+            input = input.replace(k, k + str(c + 1) + k)
+        return input
+
+    @staticmethod
+    def calculate_calibration(input: List[str]) -> int:
+        s = 0
+        for i in input:
+            j = [x for x in i if x.isnumeric()]
+            s += int(f"{j[0]}{j[-1]}")
+        return s
+
+    def _calculate_1(self) -> int:
+        return self.calculate_calibration(self.__input_data)
+
+    def _calculate_2(self) -> int:
+        new_input = [self.replace_word_with_number(i) for i in self.__input_data]
+        return self.calculate_calibration(new_input)