Merge pull request #7060 from ealvar3z/challenge-190

Python solutions for PWC 190

3 files changed, 64 insertions, 0 deletions

diff --git a/challenge-190/ealvar3z/blog.txt b/challenge-190/ealvar3z/blog.txt
new file mode 100644
index 0000000000..11812a5649
--- /dev/null
+++ b/challenge-190/ealvar3z/blog.txt
@@ -0,0 +1 @@
+https://alvar3z.com/posts/perl-weekly-challenge-190/
diff --git a/challenge-190/ealvar3z/python/ch-1.py b/challenge-190/ealvar3z/python/ch-1.py
new file mode 100644
index 0000000000..e489011232
--- /dev/null
+++ b/challenge-190/ealvar3z/python/ch-1.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+
+if __name__ == "__main__":
+
+    tests = ['Perl', 'TPF', 'PyThon', 'raku']
+
+    for w in tests:
+        match w:
+            case w if not w.isupper() and not w.istitle() and not w.islower():
+                print(f'Input: {w}')
+                print('Output: 0')
+            case _:
+                print(f'Input: {w}')
+                print('Output: 1')
+
diff --git a/challenge-190/ealvar3z/python/ch-2.py b/challenge-190/ealvar3z/python/ch-2.py
new file mode 100644
index 0000000000..f19628a486
--- /dev/null
+++ b/challenge-190/ealvar3z/python/ch-2.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+from unittest import main, TestCase
+from typing import List
+
+
+def runner(start: str, i: int, arg: str, result: List[str]) -> None:
+    l = len(arg)
+    if i == l:
+        result.append(start)
+        return
+    nums = [int(arg[i])]
+
+    if i + 1 < l:
+        nums.append(int(arg[i] + arg[i+1]))
+
+    diff = 1
+    for n in nums:
+        if 1 <= n and n <= 26:
+            c = chr(ord('A') + n - 1)
+            runner(start + c, i + diff, arg, result)
+        diff += 1
+
+
+def decode(arg: str) -> List[str]:
+    result = []
+    runner("", 0, arg, result)
+    return result
+
+
+class TestDecodeList(TestCase):
+
+
+    def test_example_one(self):
+        self.assertEqual(decode("11"), ["AA", "K"], 'Example 1')
+
+
+    def test_example_two(self):
+        self.assertEqual(decode("1115"), ["AAAE", "AAAO", "AKE", "KAE", "KO"], 'Example 2')
+
+
+    def test_example_three(self):
+        self.assertEqual(decode("127"), ["ABG", "LG"], 'Example 3')
+
+
+if __name__ == "__main__":
+   main(verbosity=2)