PWC 251

Task 1 Raku done
Task 2 Raku done

Task 1 PL/Perl done
Task 2 PL/perl done

Task 1 PL/PgSQL done
Task 2 PL/PgSQL done

Task 1 Python done
Task 2 Python done

2 files changed, 84 insertions, 0 deletions

diff --git a/challenge-251/luca-ferrari/python/ch-1.py b/challenge-251/luca-ferrari/python/ch-1.py
new file mode 100644
index 0000000000..e72f979066
--- /dev/null
+++ b/challenge-251/luca-ferrari/python/ch-1.py
@@ -0,0 +1,25 @@
+#!python
+
+#
+# Perl Weekly Challenge 251
+# Task 1
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-251/>
+#
+
+import sys
+
+# task implementation
+def main( argv ):
+    sum = 0
+    for i in range( 0, len( argv ) - 1 ):
+        if i % 2 != 0:
+            continue
+        sum += int( argv[ i ] + argv[ i + 1 ] )
+
+    return sum
+
+
+# invoke the main without the command itself
+if __name__ == '__main__':
+    print( main( sys.argv[ 1: ] ) )
diff --git a/challenge-251/luca-ferrari/python/ch-2.py b/challenge-251/luca-ferrari/python/ch-2.py
new file mode 100644
index 0000000000..a06c706b28
--- /dev/null
+++ b/challenge-251/luca-ferrari/python/ch-2.py
@@ -0,0 +1,59 @@
+#!python
+
+#
+# Perl Weekly Challenge 251
+# Task 2
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-251/>
+#
+
+import sys
+
+# task implementation
+def main( argv ):
+    matrix = []
+    row = 0
+    matrix.append( [] )
+
+    for x in argv[ 0 ]:
+        if x == ' ':
+            continue
+
+        # change row
+        if x == '|':
+            row += 1
+            matrix.append( [] )
+            continue
+
+        matrix[ row ].append( int( x ) )
+
+    # make indexes of max columns
+    max_cols = []
+    for col in range( 0, len( matrix ) ):
+        current_max = None
+        for row in range( 0, len( matrix[ 0 ] ) ):
+            if not current_max or current_max < matrix[ row ][ col ] :
+                current_max = matrix[ row ][ col ]
+
+        max_cols.append( current_max )
+
+    for row in range( 0, len( matrix ) ):
+        current_min = None
+        current_min_col = None
+
+        for col in range( 0, len( matrix[ row ] ) ):
+            if not current_min or current_min > matrix[ row ][ col ]:
+                current_min = matrix[ row ][ col ]
+                current_min_col = col
+
+        if current_min == max_cols[ current_min_col ]:
+            return current_min
+
+    return -1
+
+
+
+
+# invoke the main without the command itself
+if __name__ == '__main__':
+    print( main( sys.argv[ 1: ] ) )