Data commit

Task/Apply-a-callback-to-an-array/Python/apply-a-callback-to-an-array-1.py

@@ -0,0 +1,18 @@
+def square(n):
+    return n * n
+
+numbers = [1, 3, 5, 7]
+
+squares1 = [square(n) for n in numbers]     # list comprehension
+
+squares2a = map(square, numbers)            # functional form
+
+squares2b = map(lambda x: x*x, numbers)     # functional form with `lambda`
+
+squares3 = [n * n for n in numbers]         # no need for a function,
+                                            # anonymous or otherwise
+
+isquares1 = (n * n for n in numbers)        # iterator, lazy
+
+import itertools
+isquares2 = itertools.imap(square, numbers) # iterator, lazy

Task/Apply-a-callback-to-an-array/Python/apply-a-callback-to-an-array-2.py

@@ -0,0 +1 @@
+print " ".join(str(n * n) for n in range(10))

Task/Apply-a-callback-to-an-array/Python/apply-a-callback-to-an-array-3.py

@@ -0,0 +1 @@
+print " ".join(map(str, map(square, range(10))))

Task/Apply-a-callback-to-an-array/Python/apply-a-callback-to-an-array-4.py

@@ -0,0 +1 @@
+0 1 4 9 16 25 36 49 64 81