diff --git a/challenges/cakes-swerc-2020-2021/solutions/python/function/solution.py b/challenges/cakes-swerc-2020-2021/solutions/python/function/solution.py
index 049ccca..38ebd76 100644
--- a/challenges/cakes-swerc-2020-2021/solutions/python/function/solution.py
+++ b/challenges/cakes-swerc-2020-2021/solutions/python/function/solution.py
@@ -6,7 +6,7 @@ next(sys.stdin)
 for line in sys.stdin:
     quantity_per_cake, quantity_available = list(map(int, line.split(' ')))
     cake_possible = quantity_available // quantity_per_cake
-    if maximum_number_of_cake_possible == None or cake_possible < maximum_number_of_cake_possible:
+    if maximum_number_of_cake_possible is None or cake_possible < maximum_number_of_cake_possible:
         maximum_number_of_cake_possible = cake_possible
 
 print(maximum_number_of_cake_possible)
diff --git a/challenges/find-closest-number/solutions/python/function/README.md b/challenges/find-closest-number/solutions/python/function/README.md
new file mode 100644
index 0000000..8d6fa85
--- /dev/null
+++ b/challenges/find-closest-number/solutions/python/function/README.md
@@ -0,0 +1,3 @@
+# find-closest-number/python/function
+
+Created by [@Divlo](https://github.com/Divlo) on 1 May 2022.
diff --git a/challenges/find-closest-number/solutions/python/function/solution.py b/challenges/find-closest-number/solutions/python/function/solution.py
new file mode 100644
index 0000000..63a67de
--- /dev/null
+++ b/challenges/find-closest-number/solutions/python/function/solution.py
@@ -0,0 +1,17 @@
+import sys
+
+
+def find_closest_number(integers: list[int], value: int) -> int:
+    """
+    From list of integers, get number closest to a given value
+    """
+    return min(integers, key=lambda x: abs(x - value))
+
+
+numbers: list[int] = []
+for value in sys.stdin:
+    numbers.append(int(value.rstrip('\n')))
+
+given_number = numbers[0]
+numbers = numbers[2:]
+print(find_closest_number(numbers, given_number))
diff --git a/challenges/offset-arrays/solutions/python/function/solution.py b/challenges/offset-arrays/solutions/python/function/solution.py
index fa9f6d9..623a007 100644
--- a/challenges/offset-arrays/solutions/python/function/solution.py
+++ b/challenges/offset-arrays/solutions/python/function/solution.py
@@ -53,7 +53,7 @@ operations_index = int(nested[last_operation_index])
 current_value = None
 for index in range(len(operation_identifiers) - 1, -1, -1):
     current_identifier = operation_identifiers[index]
-    if current_value == None:
+    if current_value is None:
         current_value = assignments[current_identifier].get_by_index(
             operations_index)
     else: