Make some ruff fixes (#8154)

* Make some ruff fixes

* Undo manual fix

* Undo manual fix

* Updates from ruff=0.0.251

strings/autocomplete_using_trie.py

@@ -27,10 +27,7 @@ class Trie:
     def _elements(self, d: dict) -> tuple:
         result = []
         for c, v in d.items():
-            if c == END:
-                sub_result = [" "]
-            else:
-                sub_result = [c + s for s in self._elements(v)]
+            sub_result = [" "] if c == END else [(c + s) for s in self._elements(v)]
             result.extend(sub_result)
         return tuple(result)
 

strings/check_anagrams.py

@@ -38,10 +38,7 @@ def check_anagrams(first_str: str, second_str: str) -> bool:
         count[first_str[i]] += 1
         count[second_str[i]] -= 1
 
-    for _count in count.values():
-        if _count != 0:
-            return False
-    return True
+    return all(_count == 0 for _count in count.values())
 
 
 if __name__ == "__main__":

strings/is_palindrome.py

@@ -30,10 +30,7 @@ def is_palindrome(s: str) -> bool:
     # with the help of 1st index (i==n-i-1)
     # where n is length of string
 
-    for i in range(end):
-        if s[i] != s[n - i - 1]:
-            return False
-    return True
+    return all(s[i] == s[n - i - 1] for i in range(end))
 
 
 if __name__ == "__main__":

strings/snake_case_to_camel_pascal_case.py

@@ -43,7 +43,7 @@ def snake_to_camel_case(input_str: str, use_pascal: bool = False) -> str:
 
     initial_word = "" if use_pascal else words[0]
 
-    return "".join([initial_word] + capitalized_words)
+    return "".join([initial_word, *capitalized_words])
 
 
 if __name__ == "__main__":