2 files changed, 66 insertions, 0 deletions
diff --git a/challenge-275/luca-ferrari/python/ch-1.py b/challenge-275/luca-ferrari/python/ch-1.py
new file mode 100644
index 0000000000..f131b1e602
--- /dev/null
+++ b/challenge-275/luca-ferrari/python/ch-1.py
@@ -0,0 +1,34 @@
+#!python
+
+#
+# Perl Weekly Challenge 275
+# Task 1
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-275>
+#
+
+import sys
+
+# task implementation
+# the return value will be printed
+def task_1( args ):
+    sentence = args[ 0 ]
+    keys     = args[ 1: ]
+    words_ok = 0
+
+    for word in sentence.lower().split():
+        bad = 0
+        for k in keys:
+            k = k.lower()
+            if k in word:
+                bad += 1
+                break
+
+        if bad == 0:
+            words_ok += 1
+
+    return words_ok
+
+# invoke the main without the command itself
+if __name__ == '__main__':
+    print( task_1( sys.argv[ 1: ] ) )
diff --git a/challenge-275/luca-ferrari/python/ch-2.py b/challenge-275/luca-ferrari/python/ch-2.py
new file mode 100644
index 0000000000..ebe16641b0
--- /dev/null
+++ b/challenge-275/luca-ferrari/python/ch-2.py
@@ -0,0 +1,32 @@
+#!python
+
+#
+# Perl Weekly Challenge 275
+# Task 2
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-275>
+#
+
+import sys
+
+# task implementation
+# the return value will be printed
+def task_2( args ):
+    string = args[ 0 ]
+    previous = None
+    result   = ""
+
+    for c in string:
+        if c.isdigit():
+            c = chr( int( c ) + 97 )
+        else:
+            previous = c
+
+        result += c
+
+    return result
+
+
+# invoke the main without the command itself
+if __name__ == '__main__':
+    print( task_2( sys.argv[ 1: ] ) )