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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

strings/frequency_finder.py

@@ -36,9 +36,9 @@
 
 
 def get_letter_count(message: str) -> dict[str, int]:
-    '''get_letter_count() is a function that takes message as parameter which is 
-    supposed to be the string. and it returns a dictionary where string is a key 
-    and integer is a value.'''
+    """get_letter_count() is a function that takes message as parameter which is
+    supposed to be the string. and it returns a dictionary where string is a key
+    and integer is a value."""
     letter_count = dict.fromkeys(string.ascii_uppercase, 0)
     for letter in message.upper():
         if letter in LETTERS:
@@ -48,7 +48,7 @@ def get_letter_count(message: str) -> dict[str, int]:
 
 
 def get_item_at_index_zero(x: tuple) -> str:
-    '''It takes x as parameter which is tuple and returns a string.'''
+    """It takes x as parameter which is tuple and returns a string."""
     return x[0]