Week 147: Python solutions

2 files changed, 66 insertions, 0 deletions

diff --git a/challenge-147/abigail/python/ch-1.py b/challenge-147/abigail/python/ch-1.py
new file mode 100644
index 0000000000..cd317b880b
--- /dev/null
+++ b/challenge-147/abigail/python/ch-1.py
@@ -0,0 +1,37 @@
+#!/usr/local/bin/python3
+
+#
+# See https://theweeklychallenge.org/blog/perl-weekly-challenge-147
+#
+
+#
+# Run as: python ch-1.py
+#
+
+import sys
+from sympy import isprime
+
+todo = [2, 3, 5, 7]
+[sys . stdout . write (str (x) + " ") for x in todo]
+count = 20 - len (todo)
+
+pow = 10
+while count > 0:
+    new_todo = []
+    for d in range (1, 10):
+        for p in todo:
+            candidate = d * pow + p
+            if isprime (candidate):
+                sys . stdout . write (str (candidate) + " ")
+                count = count - 1
+                new_todo . append (candidate)
+                if count <= 0:
+                    break
+            if count <= 0:
+                break
+        if count <= 0:
+            break
+    todo = new_todo
+    pow  = pow * 10
+
+sys . stdout . write ("\n")
diff --git a/challenge-147/abigail/python/ch-2.py b/challenge-147/abigail/python/ch-2.py
new file mode 100644
index 0000000000..9d8ae317b3
--- /dev/null
+++ b/challenge-147/abigail/python/ch-2.py
@@ -0,0 +1,29 @@
+#!/usr/local/bin/python3
+
+#
+# See https://theweeklychallenge.org/blog/perl-weekly-challenge-147
+#
+
+#
+# Run as: python ch-2.py
+#
+
+pentagon = {}
+p = 0
+n = 0
+done = False
+
+
+while not done:
+    p = p + n + n + n + 1
+    n = n + 1
+    pentagon [p] = True
+
+    for seen in pentagon:
+        if seen + seen <= p and (p - seen) in pentagon \
+                            and (p - seen - seen) in pentagon:
+            print (seen, p - seen)
+            done = True
+            break
+        if done:
+            break