Merge pull request #10341 from simongreen-net/master

sgreen solutions to challenge 275

3 files changed, 104 insertions, 0 deletions

diff --git a/challenge-275/sgreen/python/ch-1.py b/challenge-275/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..e84c66de13
--- /dev/null
+++ b/challenge-275/sgreen/python/ch-1.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def broken_keys(s: str, keys: list) -> int:
+    """
+    Counts the number of words in a string that do not contain any of the specified keys.
+
+    Args:
+        s (str): The input string.
+        keys (list): A list of keys to check for in the words.
+
+    Returns:
+        int: The count of words that do not contain any of the specified keys.
+    """
+
+    # Convert values to lowercase
+    words = s.lower().split(' ')
+    keys = [key.lower() for key in keys]
+
+    # Initialize the counter
+    count = 0
+
+    # Loop through the word.
+    for word in words:
+        if not any(key in word for key in keys):
+            count += 1
+
+    return count
+
+
+def main():
+    # The first value is the string and the rest are the keys
+    result = broken_keys(sys.argv[1], sys.argv[2:])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-275/sgreen/python/ch-2.py b/challenge-275/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..ec4fb291d8
--- /dev/null
+++ b/challenge-275/sgreen/python/ch-2.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import string
+import sys
+
+
+def replace_digits(s: str) -> str:
+    """
+    Replaces digits in a string with corresponding letters from the alphabet.
+
+    Args:
+        s (str): The input string.
+
+    Returns:
+        str: The modified string with digits replaced by letters.
+    """
+
+    current_letter = None
+    solution = ''
+    alphabet = string.ascii_lowercase
+
+    for char in s:
+        if char.isdigit():
+            if current_letter is None:
+                raise ValueError('The first number must follow a letter.')
+            solution += alphabet[(alphabet.index(current_letter) +
+                                  int(char)) % 26]
+        else:
+            solution += char
+            current_letter = char
+
+    return solution
+
+
+def main():
+    result = replace_digits(sys.argv[1])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-275/sgreen/python/test.py b/challenge-275/sgreen/python/test.py
new file mode 100755
index 0000000000..96f643528f
--- /dev/null
+++ b/challenge-275/sgreen/python/test.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+import unittest
+ch_1 = __import__('ch-1')
+ch_2 = __import__('ch-2')
+
+
+class TestClass(unittest.TestCase):
+    def test_ch_1(self):
+        self.assertEqual(ch_1.broken_keys('Perl Weekly Challenge', ['l', 'a']), 0)
+        self.assertEqual(ch_1.broken_keys('Perl and Raku', ['a']), 1)
+        self.assertEqual(ch_1.broken_keys('Well done Team PWC', ['l', 'o']), 2)
+        self.assertEqual(ch_1.broken_keys('The joys of polyglottism', ['T']), 2)
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.replace_digits('a1c1e1'), 'abcdef')
+        self.assertEqual(ch_2.replace_digits('a1b2c3d4'), 'abbdcfdh')
+        self.assertEqual(ch_2.replace_digits('b2b'), 'bdb')
+        self.assertEqual(ch_2.replace_digits('a16z'), 'abgz')
+
+
+if __name__ == '__main__':
+    unittest.main()