Initial data commit

Task/Short-circuit-evaluation/Python/short-circuit-evaluation-1.py

@@ -0,0 +1,40 @@
+>>> def a(answer):
+	print("  # Called function a(%r) -> %r" % (answer, answer))
+	return answer
+
+>>> def b(answer):
+	print("  # Called function b(%r) -> %r" % (answer, answer))
+	return answer
+
+>>> for i in (False, True):
+	for j in (False, True):
+		print ("\nCalculating: x = a(i) and b(j)")
+		x = a(i) and b(j)
+		print ("Calculating: y = a(i) or  b(j)")
+		y = a(i) or  b(j)
+
+		
+
+Calculating: x = a(i) and b(j)
+  # Called function a(False) -> False
+Calculating: y = a(i) or  b(j)
+  # Called function a(False) -> False
+  # Called function b(False) -> False
+
+Calculating: x = a(i) and b(j)
+  # Called function a(False) -> False
+Calculating: y = a(i) or  b(j)
+  # Called function a(False) -> False
+  # Called function b(True) -> True
+
+Calculating: x = a(i) and b(j)
+  # Called function a(True) -> True
+  # Called function b(False) -> False
+Calculating: y = a(i) or  b(j)
+  # Called function a(True) -> True
+
+Calculating: x = a(i) and b(j)
+  # Called function a(True) -> True
+  # Called function b(True) -> True
+Calculating: y = a(i) or  b(j)
+  # Called function a(True) -> True

Task/Short-circuit-evaluation/Python/short-circuit-evaluation-2.py

@@ -0,0 +1,32 @@
+>>> for i in (False, True):
+	for j in (False, True):
+		print ("\nCalculating: x = a(i) and b(j) using x = b(j) if a(i) else False")
+		x = b(j) if a(i) else False
+		print ("Calculating: y = a(i) or  b(j) using y = b(j) if not a(i) else True")
+		y = b(j) if not a(i) else True
+
+		
+
+Calculating: x = a(i) and b(j) using x = b(j) if a(i) else False
+  # Called function a(False) -> False
+Calculating: y = a(i) or  b(j) using y = b(j) if not a(i) else True
+  # Called function a(False) -> False
+  # Called function b(False) -> False
+
+Calculating: x = a(i) and b(j) using x = b(j) if a(i) else False
+  # Called function a(False) -> False
+Calculating: y = a(i) or  b(j) using y = b(j) if not a(i) else True
+  # Called function a(False) -> False
+  # Called function b(True) -> True
+
+Calculating: x = a(i) and b(j) using x = b(j) if a(i) else False
+  # Called function a(True) -> True
+  # Called function b(False) -> False
+Calculating: y = a(i) or  b(j) using y = b(j) if not a(i) else True
+  # Called function a(True) -> True
+
+Calculating: x = a(i) and b(j) using x = b(j) if a(i) else False
+  # Called function a(True) -> True
+  # Called function b(True) -> True
+Calculating: y = a(i) or  b(j) using y = b(j) if not a(i) else True
+  # Called function a(True) -> True