- Added solutions by Eric Cheung.

- Added solutions by Mohammad Sajid Anwar.
- Added solutions by E. Choroba.
- Added solutions by Mark Anderson.
- Added solutions by PokGoPun.
- Added solutions by Niels van Dijke.
- Added solutions by David Ferrone.
- Added solutions by Benjamin Andre.
- Added solutions by Peter Campbell Smith.
- Added solutions by Wanderdoc.

36 files changed, 804 insertions, 493 deletions

diff --git a/challenge-345/perlboy1967/perl/ch1.pl b/challenge-345/perlboy1967/perl/ch-1.pl
index 891d1f6626..891d1f6626 100755
--- a/challenge-345/perlboy1967/perl/ch1.pl
+++ b/challenge-345/perlboy1967/perl/ch-1.pl
diff --git a/challenge-345/perlboy1967/perl/ch2.pl b/challenge-345/perlboy1967/perl/ch-2.pl
index 1621f26920..1621f26920 100755
--- a/challenge-345/perlboy1967/perl/ch2.pl
+++ b/challenge-345/perlboy1967/perl/ch-2.pl
diff --git a/challenge-346/perlboy1967/perl/ch1.pl b/challenge-346/perlboy1967/perl/ch-1.pl
index aba8ac09e5..aba8ac09e5 100755
--- a/challenge-346/perlboy1967/perl/ch1.pl
+++ b/challenge-346/perlboy1967/perl/ch-1.pl
diff --git a/challenge-346/perlboy1967/perl/ch2.pl b/challenge-346/perlboy1967/perl/ch-2.pl
index 574c7283c8..574c7283c8 100755
--- a/challenge-346/perlboy1967/perl/ch2.pl
+++ b/challenge-346/perlboy1967/perl/ch-2.pl
diff --git a/challenge-347/eric-cheung/python/ch-1.py b/challenge-347/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..494a0ea2e0
--- /dev/null
+++ b/challenge-347/eric-cheung/python/ch-1.py
@@ -0,0 +1,16 @@
+

+from datetime import datetime

+from dateutil.parser import parse

+

+## strInputDate = "1st Jan 2025"  ## Example 1

+## strInputDate = "22nd Feb 2025"  ## Example 2

+## strInputDate = "15th Apr 2025"  ## Example 3

+## strInputDate = "23rd Oct 2025"  ## Example 4

+strInputDate = "31st Dec 2025"  ## Example 5

+

+strOutputDateFormat = "%Y-%m-%d"

+

+objDate = parse(strInputDate)

+

+print (objDate.strftime(strOutputDateFormat))

+

diff --git a/challenge-347/eric-cheung/python/ch-2.py b/challenge-347/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..451bf4727e
--- /dev/null
+++ b/challenge-347/eric-cheung/python/ch-2.py
@@ -0,0 +1,25 @@
+

+## strPhoneNum = "1-23-45-6"  ## Example 1

+## strPhoneNum = "1234"  ## Example 2

+## strPhoneNum = "12 345-6789"  ## Example 3

+## strPhoneNum = "123 4567"  ## Example 4

+strPhoneNum = "123 456-78"  ## Example 5

+

+strTempPhoneNum = strPhoneNum.replace(" ", "").replace("-", "")

+

+arrPhoneNum = []

+

+while (nLen := len(strTempPhoneNum)) > 0:

+    if nLen <= 3:

+        arrPhoneNum.append(strTempPhoneNum)

+        break

+

+    if nLen == 4:

+        arrPhoneNum.append(strTempPhoneNum[:2])

+        arrPhoneNum.append(strTempPhoneNum[2:])

+        break

+

+    arrPhoneNum.append(strTempPhoneNum[:3])

+    strTempPhoneNum = strTempPhoneNum[3:]

+

+print ("-".join(arrPhoneNum))

diff --git a/challenge-347/mohammad-anwar/perl/ch-1.pl b/challenge-347/mohammad-anwar/perl/ch-1.pl
new file mode 100644
index 0000000000..dd080d9a0e
--- /dev/null
+++ b/challenge-347/mohammad-anwar/perl/ch-1.pl
@@ -0,0 +1,23 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use Test::More;
+
+my @examples = (
+    ["1st Jan 2025",  "2025-01-01"],
+    ["22nd Feb 2025", "2025-02-22"],
+    ["15th Apr 2025", "2025-04-15"],
+    ["23rd Oct 2025", "2025-10-23"],
+    ["31st Dec 2025", "2025-12-31"],
+);
+
+is(format_date($_->[0]), $_->[1]) for @examples;
+
+done_testing;
+
+sub format_date {
+    my $str = shift;
+    $str =~ /(\d+)\w{2} (\w{3}) (\d+)/;
+    sprintf("%04d-%02d-%02d", $3, 1+index("JanFebMarAprMayJunJulAugSepOctNovDec",$2)/3, $1);
+}
diff --git a/challenge-347/mohammad-anwar/python/ch-1.py b/challenge-347/mohammad-anwar/python/ch-1.py
new file mode 100644
index 0000000000..522239492c
--- /dev/null
+++ b/challenge-347/mohammad-anwar/python/ch-1.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import re
+
+def test_format_date():
+    examples = [
+        ["1st Jan 2025",  "2025-01-01"],
+        ["22nd Feb 2025", "2025-02-22"],
+        ["15th Apr 2025", "2025-04-15"],
+        ["23rd Oct 2025", "2025-10-23"],
+        ["31st Dec 2025", "2025-12-31"],
+    ]
+
+    for input_str, expected in examples:
+        result = format_date(input_str)
+        assert result == expected, f"Expected {expected}, got {result} for input {input_str}"
+    print("All tests passed!")
+
+def format_date(date_str):
+    match = re.search(r'(\d+)\w{2} (\w{3}) (\d+)', date_str)
+    if match:
+        day, month, year = match.groups()
+        month_num = 1 + "JanFebMarAprMayJunJulAugSepOctNovDec".index(month) // 3
+        return f"{year}-{month_num:02d}-{int(day):02d}"
+    return ""
+
+if __name__ == "__main__":
+    test_format_date()
diff --git a/challenge-347/mohammad-anwar/raku/ch-1.raku b/challenge-347/mohammad-anwar/raku/ch-1.raku
new file mode 100644
index 0000000000..caed453736
--- /dev/null
+++ b/challenge-347/mohammad-anwar/raku/ch-1.raku
@@ -0,0 +1,20 @@
+#!/usr/bin/env raku
+
+use Test;
+
+my @examples = (
+    ["1st Jan 2025",  "2025-01-01"],
+    ["22nd Feb 2025", "2025-02-22"],
+    ["15th Apr 2025", "2025-04-15"],
+    ["23rd Oct 2025", "2025-10-23"],
+    ["31st Dec 2025", "2025-12-31"],
+);
+
+is(format-date($_[0]), $_[1]) for @examples;
+
+done-testing;
+
+sub format-date(Str $str) {
+    $str ~~ /(\d+) \w**2 \s (\w**3) \s (\d+)/;
+    sprintf("%04d-%02d-%02d", $2, 1+index("JanFebMarAprMayJunJulAugSepOctNovDec", $1)/3, $0);
+}
diff --git a/challenge-347/perlboy1967/perl/ch1.pl b/challenge-347/perlboy1967/perl/ch-1.pl
index 88a583e9ec..88a583e9ec 100755
--- a/challenge-347/perlboy1967/perl/ch1.pl
+++ b/challenge-347/perlboy1967/perl/ch-1.pl
diff --git a/challenge-347/perlboy1967/perl/ch2.pl b/challenge-347/perlboy1967/perl/ch-2.pl
index 2a0d95021d..2a0d95021d 100755
--- a/challenge-347/perlboy1967/perl/ch2.pl
+++ b/challenge-347/perlboy1967/perl/ch-2.pl
diff --git a/stats/pwc-challenge-345.json b/stats/pwc-challenge-345.json
index 28ff4de607..6b9bf104e8 100644
--- a/stats/pwc-challenge-345.json
+++ b/stats/pwc-challenge-345.json
@@ -225,6 +225,16 @@
                [
                   "Perl",
                   2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
                ],
                [
                   "Raku",
@@ -499,6 +509,11 @@
                "y" : 2
             },
             {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
                "drilldown" : "Packy Anderson",
                "name" : "Packy Anderson",
                "y" : 5
@@ -568,7 +583,7 @@
       }
    ],
    "subtitle" : {
-      "text" : "[Champions: 31] Last updated at 2025-11-07 23:55:59 GMT"
+      "text" : "[Champions: 32] Last updated at 2025-11-10 19:05:27 GMT"
    },
    "title" : {
       "text" : "The Weekly Challenge - 345"
diff --git a/stats/pwc-challenge-346.json b/stats/pwc-challenge-346.json
new file mode 100644
index 0000000000..cf34bf7cc3
--- /dev/null
+++ b/stats/pwc-challenge-346.json
@@ -0,0 +1,566 @@
+{
+   "chart" : {
+      "type" : "column"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Ali Moradi",
+            "name" : "Ali Moradi"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Andreas Mahnke",
+            "name" : "Andreas Mahnke"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied",
+            "name" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Kjetil Skotheim",
+            "name" : "Kjetil Skotheim"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Mohammad Sajid Anwar",
+            "name" : "Mohammad Sajid Anwar"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Packy Anderson",
+            "name" : "Packy Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Robert Ransbottom",
+            "name" : "Robert Ransbottom"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Vinod Kumar K",
+            "name" : "Vinod Kumar K"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc"
+         }
+      ]
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Andreas Mahnke",
+               "name" : "Andreas Mahnke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "name" : "Bob Lied",
+               "y" : 2
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "name" : "David Ferrone",
+               "y" : 2
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Kjetil Skotheim",
+               "name" : "Kjetil Skotheim",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Mohammad Sajid Anwar",
+               "name" : "Mohammad Sajid Anwar",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Packy Anderson",
+               "name" : "Packy Anderson",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Vinod Kumar K",
+               "name" : "Vinod Kumar K",
+               "y" : 2
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
+               "y" : 2
+            }
+         ],
+         "name" : "The Weekly Challenge - 346"
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 30] Last updated at 2025-11-10 19:05:27 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 346"
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f922990c49..00b9301d23 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -9,78 +9,6 @@
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Ali Moradi",
-            "name" : "Ali Moradi"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Andreas Mahnke",
-            "name" : "Andreas Mahnke"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
-         },
-