Merge branch 'master' of https://github.com/caedenph/python

Author: CaedenPH

.pre-commit-config.yaml

@@ -16,7 +16,7 @@ repos:
     -   id: auto-walrus
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.267
+    rev: v0.0.269
     hooks:
       - id: ruff
 
@@ -46,7 +46,7 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.12.2
+    rev: v0.13
     hooks:
       - id: validate-pyproject
 

DIRECTORY.md

@@ -577,6 +577,7 @@
   * [Hexagonal Number](maths/hexagonal_number.py)
   * [Integration By Simpson Approx](maths/integration_by_simpson_approx.py)
   * [Is Ip V4 Address Valid](maths/is_ip_v4_address_valid.py)
+  * [Is Palindrome](maths/is_palindrome.py)
   * [Is Square Free](maths/is_square_free.py)
   * [Jaccard Similarity](maths/jaccard_similarity.py)
   * [Juggler Sequence](maths/juggler_sequence.py)

ciphers/mixed_keyword_cypher.py

@@ -65,4 +65,5 @@ def mixed_keyword(key: str = "college", pt: str = "UNIVERSITY") -> str:
     return cypher
 
 
-print(mixed_keyword("college", "UNIVERSITY"))
+if __name__ == "__main__":
+    print(mixed_keyword("college", "UNIVERSITY"))

maths/is_palindrome.py

@@ -0,0 +1,34 @@
+def is_palindrome(num: int) -> bool:
+    """
+    Returns whether `num` is a palindrome or not
+    (see for reference https://en.wikipedia.org/wiki/Palindromic_number).
+
+    >>> is_palindrome(-121)
+    False
+    >>> is_palindrome(0)
+    True
+    >>> is_palindrome(10)
+    False
+    >>> is_palindrome(11)
+    True
+    >>> is_palindrome(101)
+    True
+    >>> is_palindrome(120)
+    False
+    """
+    if num < 0:
+        return False
+
+    num_copy: int = num
+    rev_num: int = 0
+    while num > 0:
+        rev_num = rev_num * 10 + (num % 10)
+        num //= 10
+
+    return num_copy == rev_num
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()