Add flake8-builtins to pre-commit and fix errors (#7105)

Ignore `A003`

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

data_structures/binary_tree/avl_tree.py

@@ -33,7 +33,7 @@ class MyQueue:
     def count(self) -> int:
         return self.tail - self.head
 
-    def print(self) -> None:
+    def print_queue(self) -> None:
         print(self.data)
         print("**************")
         print(self.data[self.head : self.tail])

data_structures/linked_list/__init__.py

@@ -11,7 +11,7 @@ from typing import Any
 
 
 class Node:
-    def __init__(self, item: Any, next: Any) -> None:
+    def __init__(self, item: Any, next: Any) -> None:  # noqa: A002
         self.item = item
         self.next = next
 

data_structures/linked_list/singly_linked_list.py

@@ -392,7 +392,7 @@ def test_singly_linked_list_2() -> None:
     This section of the test used varying data types for input.
     >>> test_singly_linked_list_2()
     """
-    input = [
+    test_input = [
         -9,
         100,
         Node(77345112),
@@ -410,7 +410,7 @@ def test_singly_linked_list_2() -> None:
     ]
     linked_list = LinkedList()
 
-    for i in input:
+    for i in test_input:
         linked_list.insert_tail(i)
 
     # Check if it's empty or not

data_structures/queue/double_ended_queue.py

@@ -15,8 +15,8 @@ class Deque:
     ----------
     append(val: Any) -> None
     appendleft(val: Any) -> None
-    extend(iter: Iterable) -> None
-    extendleft(iter: Iterable) -> None
+    extend(iterable: Iterable) -> None
+    extendleft(iterable: Iterable) -> None
     pop() -> Any
     popleft() -> Any
     Observers
@@ -179,9 +179,9 @@ class Deque:
             # make sure there were no errors
             assert not self.is_empty(), "Error on appending value."
 
-    def extend(self, iter: Iterable[Any]) -> None:
+    def extend(self, iterable: Iterable[Any]) -> None:
         """
-        Appends every value of iter to the end of the deque.
+        Appends every value of iterable to the end of the deque.
         Time complexity: O(n)
         >>> our_deque_1 = Deque([1, 2, 3])
         >>> our_deque_1.extend([4, 5])
@@ -205,12 +205,12 @@ class Deque:
         >>> list(our_deque_2) == list(deque_collections_2)
         True
         """
-        for val in iter:
+        for val in iterable:
             self.append(val)
 
-    def extendleft(self, iter: Iterable[Any]) -> None:
+    def extendleft(self, iterable: Iterable[Any]) -> None:
         """
-        Appends every value of iter to the beginning of the deque.
+        Appends every value of iterable to the beginning of the deque.
         Time complexity: O(n)
         >>> our_deque_1 = Deque([1, 2, 3])
         >>> our_deque_1.extendleft([0, -1])
@@ -234,7 +234,7 @@ class Deque:
         >>> list(our_deque_2) == list(deque_collections_2)
         True
         """
-        for val in iter:
+        for val in iterable:
             self.appendleft(val)
 
     def pop(self) -> Any:

data_structures/stacks/next_greater_element.py

@@ -17,12 +17,12 @@ def next_greatest_element_slow(arr: list[float]) -> list[float]:
     arr_size = len(arr)
 
     for i in range(arr_size):
-        next: float = -1
+        next_element: float = -1
         for j in range(i + 1, arr_size):
             if arr[i] < arr[j]:
-                next = arr[j]
+                next_element = arr[j]
                 break
-        result.append(next)
+        result.append(next_element)
     return result
 
 
@@ -36,12 +36,12 @@ def next_greatest_element_fast(arr: list[float]) -> list[float]:
     """
     result = []
     for i, outer in enumerate(arr):
-        next: float = -1
+        next_item: float = -1
         for inner in arr[i + 1 :]:
             if outer < inner:
-                next = inner
+                next_item = inner
                 break
-        result.append(next)
+        result.append(next_item)
     return result