Add algorithm to count vowels and consonants in a string (#14038)

* Refine Wheatstone Bridge explanation

Updated docstring to provide a clearer explanation of the Wheatstone Bridge, its balance condition, and applications.

* Update wheatstone_bridge.py

* Add algorithm to count vowels and consonants in a string

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Remove test print statement from main section

Removed test print statement for count_vowels_and_consonants function.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Enhance docstring with usage examples

Added examples to the docstring for count_vowels_and_consonants function.

* Apply suggestion from @cclauss

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

Author: 3 people

strings/count_vowels_consonants.py

@@ -0,0 +1,34 @@
+def count_vowels_and_consonants(text: str) -> tuple[int, int]:
+    """
+        Count the number of vowels and consonants in a given string.
+
+        This function ignores non-alphabetic characters.
+
+        Args:
+            text (str): Input string.
+
+        Returns:
+            tuple[int, int]: A tuple containing (vowel_count,
+    consonant_count).
+     Examples:
+        >>> count_vowels_and_consonants("Hello World")
+        (3, 7)
+        >>> count_vowels_and_consonants("AEIOU")
+        (5, 0)
+        >>> count_vowels_and_consonants("bcdf")
+        (0, 4)
+        >>> count_vowels_and_consonants("")
+        (0, 0)
+    """
+    vowels = set("aeiouAEIOU")
+    vowel_count = 0
+    consonant_count = 0
+
+    for char in text:
+        if char.isalpha():
+            if char in vowels:
+                vowel_count += 1
+            else:
+                consonant_count += 1
+
+    return vowel_count, consonant_count