- Added solutions by Burkhard Nickels.

2 files changed, 57 insertions, 0 deletions

diff --git a/challenge-042/burkhard-nickels/python/ch-1.py b/challenge-042/burkhard-nickels/python/ch-1.py
new file mode 100755
index 0000000000..40388def78
--- /dev/null
+++ b/challenge-042/burkhard-nickels/python/ch-1.py
@@ -0,0 +1,19 @@
+#!/usr/bin/python
+
+import array as arr
+
+print "ch-1.py (Version 1.0) PWC #42 Task #1: Octal numbers."
+
+for i in range(0,50):
+	print "Decimal: ", i, " - Octal: ", oct(i)
+
+
+def print_string(n): 
+	buf = "Decimal: %d, Octal: %o" % (n, n)
+	return buf
+  
+a = list(range(0,50))
+x = map(print_string, a) 
+# print(list(x)) 
+for e in x: print e
+
diff --git a/challenge-042/burkhard-nickels/python/ch-2.py b/challenge-042/burkhard-nickels/python/ch-2.py
new file mode 100755
index 0000000000..a52447f036
--- /dev/null
+++ b/challenge-042/burkhard-nickels/python/ch-2.py
@@ -0,0 +1,38 @@
+#!/usr/bin/python
+
+import array as arr
+import re
+import random
+
+print "ch-2.pl (Version 1.0) PWC #42 Task #2: Balanced Brackets\n";
+
+def create_brackets(nr):
+	s = ""
+	for i in range(1,nr):
+		br = random.randint(0,1)
+		if br: s += ")"
+		else : s += "("
+	return s
+
+def balanced_brackets(brs):
+	brs, found = re.subn('\(\)','',brs);
+	ok = 0
+	if found:
+		ok = balanced_brackets(brs)
+		return ok
+	else:
+		if re.search('\(|\)',brs): return 0
+		else: return 1
+
+loops = 0
+while True:
+	loops = loops + 1
+	nr  = random.randint(2,10)
+	brs = create_brackets(nr)
+	ok  = balanced_brackets(brs)
+	rs  = "NOT OK"
+	if ok: rs  = "OK" 
+	print("(%2d) %10s = %s" % (loops, brs, rs))
+	if ok: break
+	if loops > 20: break
+