Starting point for L17 examples.

Lectures/L17_FunctProgContinued/examplesInClass.py

@@ -7,4 +7,31 @@ L2 = [x*2 for x in range(1, 11) if x*2 >= 12]
 # List Comp to find List Length
 
 def length(xs):
-    return sum([1 for x in xs])
+   return sum([1 for anything in xs])
+
+def rep(x, n):
+    return [x for something in range(n)]
+
+def even(x):
+    return x%2==0
+
+def odd(x):
+    return not(even(x))
+
+def boomBangs(xs):
+   return ["BOOM" if x < 10 else "BANG" for x in xs if odd(x)]
+
+# List Comprehension With Two Lists
+nouns = ["hobo", "frog", "pope"]
+adjectives = ["lazy", "grouchy", "scheming"]
+L3 = [adjective + ' ' + noun for noun in nouns for adjective in adjectives]
+
+# Remove non UpperCase
+
+def removeNonUpperCase(st):
+   upCase = [chr(i) for i in range(ord('A'), ord('Z')+1)]
+   return [c for c in st if c in upCase]
+
+xxs = [[1,3,5,2,3,1,2,4,5],[1,2,3,4,5,6,7,8,9],[1,2,4,2,1,6,3,1,3,2,3,6]]
+
+L4 = [[x for x in xs if even(x)] for xs in xxs ]