Initial data commit

Task/Enforced-immutability/Python/enforced-immutability-1.py

@@ -0,0 +1,7 @@
+>>> s = "Hello"
+>>> s[0] = "h"
+
+Traceback (most recent call last):
+  File "<pyshell#1>", line 1, in <module>
+    s[0] = "h"
+TypeError: 'str' object does not support item assignment

Task/Enforced-immutability/Python/enforced-immutability-2.py

@@ -0,0 +1,26 @@
+>>> class Immut(object):
+	def __setattr__(self, *args):
+		raise TypeError(
+			"'Immut' object does not support item assignment")
+	
+        __delattr__ = __setattr__
+	
+        def __repr__(self):
+		return str(self.value)
+	
+        def __init__(self, value):
+                # assign to the un-assignable the hard way.
+		super(Immut, self).__setattr__("value", value)
+
+>>> im = Immut(123)
+>>> im
+123
+>>> im.value = 124
+
+Traceback (most recent call last):
+  File "<pyshell#27>", line 1, in <module>
+    del a.value
+  File "<pyshell#23>", line 4, in __setattr__
+    "'Immut' object does not support item assignment")
+TypeError: 'Immut' object does not support item assignment
+>>>