🔀 Merge branch '1-techtest'

Reorganize a `string` by :
*  removing spaces
*  groups it by `n` characters
*  separated by `sep`

technical_tests/reorganize_string.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+# coding: utf8
+
+"""
+Author: freezed <git@freezed.me> 2020-07-16
+Licence: `GNU GPL v3` GNU GPL v3: http://www.gnu.org/licenses/
+
+This file is part of [`free_zed/mypsb`](https://gitlab.com/free_zed/mypsb/)
+"""
+
+
+def main(string, n, sep):
+    """
+    This function reorganize `string` by removing spaces & groups by `n`
+    characters separated by `sep`.
+
+    :Tests:
+    >>> main("ab c de fgh ijk", 2, "|")
+    'ab|cd|ef|gh|ij|k'
+    >>> main("ab c de fgh ijk", 3, "_")
+    'abc_def_ghi_jk'
+    >>> main("ab c de fgh ijk", 4, "/")
+    'abcd/efgh/ijk'
+    """
+
+    strings = list()
+
+    stack = "".join(string.split(" "))
+    steps = round(len(stack) / n)
+
+    while steps != 0:
+        strings.append(stack[:n])
+        stack = stack[n:]
+        steps -= 1
+
+    return sep.join(strings)
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()