1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-285/zapwai/python/ch-1.py b/challenge-285/zapwai/python/ch-1.py
new file mode 100644
index 0000000000..5722662b84
--- /dev/null
+++ b/challenge-285/zapwai/python/ch-1.py
@@ -0,0 +1,27 @@
+def proc(routes) :
+	print("Input: ")
+	for l in range(len(routes)):
+		 print(" ",routes[l])
+	inlist = []
+	outlist = []
+	for j in routes:
+	    inlist.append(j[0])
+	    outlist.append(j[1])
+	
+	ans = "a"
+	for needle in outlist :
+	    found = 0
+	for hay in inlist:
+		if needle == hay :
+		    found = 1
+		    break
+	
+	if found == 0 :
+		ans = needle
+	
+	print("Output:", ans)
+
+routes = [["B","C"], ["D","B"], ["C","A"]]
+proc(routes)
+routes = [["A","Z"]]
+proc(routes)