From 864be4754bf0c3df408c12634f62afd9d0c2c7d4 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Sun, 23 Aug 2020 09:05:13 +0100
Subject: - Tidied file name of Python solutions by Lubos Kolouch.

---
 challenge-074/lubos-kolouch/python/ch-2.py | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 challenge-074/lubos-kolouch/python/ch-2.py

(limited to 'challenge-074/lubos-kolouch/python/ch-2.py')

diff --git a/challenge-074/lubos-kolouch/python/ch-2.py b/challenge-074/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..da21ecc6fb
--- /dev/null
+++ b/challenge-074/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+""" FNR character from Perl weekly challenge 074 task 2 """
+
+
+# ===============================================================================
+#
+#        FILE: ch-_.py
+#
+#        USAGE: ./ch_2.py
+#
+#  DESCRIPTION: https://perlweeklychallenge.org/blog/perl-weekly-challenge-074/
+#
+#               TASK #2 › FNR Character
+#
+#       AUTHOR: Lubos Kolouch
+#      VERSION: 1.0
+#      CREATED: 08/22/2020 12:40:09 PM
+# ===============================================================================
+
+
+def get_fnr(in_str):
+    """ Find and return the FNR in the given string """
+
+    fnr_count = dict()
+    fnr_queue = list()
+
+    result = ''
+
+    for char in in_str:
+        fnr_count[char] = fnr_count.get(char, 0) + 1
+
+        if fnr_count[char] == 1:
+            fnr_queue.append(char)
+        else:
+            fnr_queue.remove(char)
+
+        result += fnr_queue[-1] if fnr_queue else '#'
+
+    return result
+
+
+assert get_fnr('ababc') == 'abb#c'
+assert get_fnr('xyzzyx') == 'xyzyx#'
-- 
cgit