diff --git a/DIRECTORY.md b/DIRECTORY.md
index da849b6fc..c90043aa7 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -76,6 +76,7 @@
   * [Harriscorner](https://github.com/TheAlgorithms/Python/blob/master/computer_vision/harriscorner.py)
 
 ## Conversions
+  * [Decimal To Any](https://github.com/TheAlgorithms/Python/blob/master/conversions/decimal_to_any.py)
   * [Decimal To Binary](https://github.com/TheAlgorithms/Python/blob/master/conversions/decimal_to_binary.py)
   * [Decimal To Hexadecimal](https://github.com/TheAlgorithms/Python/blob/master/conversions/decimal_to_hexadecimal.py)
   * [Decimal To Octal](https://github.com/TheAlgorithms/Python/blob/master/conversions/decimal_to_octal.py)
@@ -267,6 +268,7 @@
   * [Enigma Machine](https://github.com/TheAlgorithms/Python/blob/master/hashes/enigma_machine.py)
   * [Hamming Code](https://github.com/TheAlgorithms/Python/blob/master/hashes/hamming_code.py)
   * [Md5](https://github.com/TheAlgorithms/Python/blob/master/hashes/md5.py)
+  * [Sdbm](https://github.com/TheAlgorithms/Python/blob/master/hashes/sdbm.py)
   * [Sha1](https://github.com/TheAlgorithms/Python/blob/master/hashes/sha1.py)
 
 ## Linear Algebra
@@ -359,6 +361,7 @@
   * [Newton Raphson](https://github.com/TheAlgorithms/Python/blob/master/maths/newton_raphson.py)
   * [Number Of Digits](https://github.com/TheAlgorithms/Python/blob/master/maths/number_of_digits.py)
   * [Numerical Integration](https://github.com/TheAlgorithms/Python/blob/master/maths/numerical_integration.py)
+  * [Perfect Cube](https://github.com/TheAlgorithms/Python/blob/master/maths/perfect_cube.py)
   * [Perfect Square](https://github.com/TheAlgorithms/Python/blob/master/maths/perfect_square.py)
   * [Pi Monte Carlo Estimation](https://github.com/TheAlgorithms/Python/blob/master/maths/pi_monte_carlo_estimation.py)
   * [Polynomial Evaluation](https://github.com/TheAlgorithms/Python/blob/master/maths/polynomial_evaluation.py)
@@ -644,6 +647,7 @@
   * [Split](https://github.com/TheAlgorithms/Python/blob/master/strings/split.py)
   * [Upper](https://github.com/TheAlgorithms/Python/blob/master/strings/upper.py)
   * [Word Occurrence](https://github.com/TheAlgorithms/Python/blob/master/strings/word_occurrence.py)
+  * [Z Function](https://github.com/TheAlgorithms/Python/blob/master/strings/z_function.py)
 
 ## Traversals
   * [Binary Tree Traversals](https://github.com/TheAlgorithms/Python/blob/master/traversals/binary_tree_traversals.py)
diff --git a/conversions/decimal_to_any.py b/conversions/decimal_to_any.py
index e3fb4e5d3..d3acac3bd 100644
--- a/conversions/decimal_to_any.py
+++ b/conversions/decimal_to_any.py
@@ -2,7 +2,6 @@
 
 
 def decimal_to_any(num: int, base: int) -> str:
-
     """
         Convert a positive integer to another base as str.
         >>> decimal_to_any(0, 2)
@@ -66,11 +65,12 @@ def decimal_to_any(num: int, base: int) -> str:
         raise ValueError("base must be >= 2")
     if base > 36:
         raise ValueError("base must be <= 36")
-
+    # fmt: off
     ALPHABET_VALUES = {'10': 'A', '11': 'B', '12': 'C', '13': 'D', '14': 'E', '15': 'F', '16': 'G', '17': 'H',
-                       '18': 'I', '19': 'J', '20': 'K', '21': 'L', '22': 'M', '23': 'N', '24': 'O', '25': 'P',
-                       '26': 'Q', '27': 'R', '28': 'S', '29': 'T', '30': 'U', '31': 'V', '32': 'W', '33': 'X',
-                       '34': 'Y', '35': 'Z'}
+                        '18': 'I', '19': 'J', '20': 'K', '21': 'L', '22': 'M', '23': 'N', '24': 'O', '25': 'P',
+                        '26': 'Q', '27': 'R', '28': 'S', '29': 'T', '30': 'U', '31': 'V', '32': 'W', '33': 'X',
+                        '34': 'Y', '35': 'Z'}
+    # fmt: on
     new_value = ""
     mod = 0
     div = 0
diff --git a/maths/perfect_cube.py b/maths/perfect_cube.py
index f65795ba8..9ad287e41 100644
--- a/maths/perfect_cube.py
+++ b/maths/perfect_cube.py
@@ -11,6 +11,6 @@ def perfect_cube(n: int) -> bool:
     return (val * val * val) == n
 
 
-if(__name__ == '__main__'):
+if __name__ == "__main__":
     print(perfect_cube(27))
     print(perfect_cube(4))
diff --git a/strings/z_function.py b/strings/z_function.py
index 55be81935..d8d823a37 100644
--- a/strings/z_function.py
+++ b/strings/z_function.py
@@ -86,4 +86,5 @@ def find_pattern(pattern: str, input_str: str) -> int:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()