Solution

Author: Lobanov-V

app/main.py

@@ -1,14 +1,9 @@
 def count_occurrences(phrase: str, letter: str) -> int:
     """
-    Counts the number of times a specific letter appears in a phrase,
-    ignoring case sensitivity.
-
-    The function uses Python's built-in string methods for conciseness
-    and efficiency.
-
-    :param phrase: The input string to search within.
-    :param letter: The single-character string to count occurrences of.
-    :return: The total count of the letter in the phrase as an integer.
+    Count occurrences of a letter in a phrase (case insensitive).
+    :param phrase: The phrase to search within.
+    :param letter: The letter to count occurrences of.
+    :return: The number of occurrences of the letter in the phrase.
     """
 
 # First, convert the phrase and the search letter to lowercase.
@@ -18,4 +13,4 @@ def count_occurrences(phrase: str, letter: str) -> int:
 
 # Use the built-in .count() method
 
-    return phrase_lower.count(letter_lower)
+    return phrase_lower.count(letter_lower)