feat: rewrite programming-challenges CLI (#3)

challenges/fibonacci/README.md

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+# fibonacci
+
+Created by [@Divlo](https://github.com/Divlo) on 5 July 2020.
+
+## Instructions
+
+The function should return an array of fibonacci numbers. The function takes a `number` as an argument to decide how many number of elements to produce.
+
+**Note :** The Fibonacci Sequence is the series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... Each subsequent number is the sum of the previous two.
+
+## Examples
+
+See the `test` folder for examples of input/output.

challenges/fibonacci/solutions/python/function/README.md

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+# fibonacci/python/function
+
+Created by [@Divlo](https://github.com/Divlo) on 6 June 2021.

challenges/fibonacci/solutions/python/function/solution.py

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+from typing import List
+import sys
+
+input_values: List[str] = []
+for value in sys.stdin:
+    input_values.append(value.rstrip('\n'))
+
+
+def fibonacci(number: int) -> int:
+    return number if number < 2 else fibonacci(number-1) + fibonacci(number-2)
+
+
+print(fibonacci(int(input_values[0])))

challenges/fibonacci/test/1/input.txt

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+14

challenges/fibonacci/test/1/output.txt

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+377