feat(solutions): add consecutive-numbers/python/function

challenges/consecutive-numbers/solutions/python/function/README.md

@@ -0,0 +1,3 @@
+# consecutive-numbers/python/function
+
+Created by [@Divlo](https://github.com/Divlo) on 28 June 2021.

challenges/consecutive-numbers/solutions/python/function/solution.py

@@ -0,0 +1,26 @@
+from typing import List
+import sys
+
+input_values: List[str] = []
+for value in sys.stdin:
+    input_values.append(value.rstrip('\n'))
+
+
+def consecutive_numbers(numbers: List[int]) -> List[List[int]]:
+    consecutive_numbers_pairs: List[List[int]] = []
+    numbers_length = len(numbers)
+    for index in range(numbers_length):
+        number = numbers[index]
+        is_last_number = index == numbers_length - 1
+        if not is_last_number and number + 1 == numbers[index + 1]:
+            consecutive_numbers_pairs.append([number, number + 1])
+    return consecutive_numbers_pairs
+
+
+numbers: List[int] = []
+for value in input_values:
+    numbers.append(int(value))
+
+consecutive_numbers_pairs = consecutive_numbers(numbers)
+for pairs in consecutive_numbers_pairs:
+    print(f"{pairs[0]} ; {pairs[1]}")