some simple examples

src/extra_interview_problems/basic_examples/example_args.py

@@ -0,0 +1,28 @@
+#!/usr/bin/python
+
+def simple2(a, *args):
+    print args
+
+def simple(*args):
+    print args
+
+def simple3(**kwargs):
+    print kwargs
+
+
+simple(1, 2, 3)
+simple2(1, 2, 3)
+simple3(x=1, y=2)
+
+
+def logger(func):
+    def inner(*args): #1
+        print "Arguments were: {0}".format(args)
+        return func(*args)
+    return inner
+
+@logger
+def foo(x, y):
+    return x+y
+
+print foo(1, 2)

src/extra_interview_problems/basic_examples/example_queue.py

@@ -0,0 +1,11 @@
+#!/usr/bin/python
+
+import Queue
+
+q = Queue.Queue()
+
+for i in range(10):
+    q.put(i)
+
+for i in range(10):
+    print q.get(i)

src/extra_interview_problems/bitwise/bitwise.txt

@@ -1,4 +1,4 @@
-				BITWISE
+				BIT-WISE
 			----------------------
 
 1. To find a number:
@@ -30,4 +30,4 @@
 
 6. Is power of 2?
 	just do x&(x-1).
-	if 0 --> yes! 
+	if 0 --> yes!

src/extra_interview_problems/bitwise/swap_in_place.py

@@ -0,0 +1,19 @@
+#!/usr/bin/python
+
+'''
+    swapping values in place without extra memory
+'''
+
+
+def swap_bit(a, b):
+    a = a^b
+    b = a^b
+    a = a^b
+    return a, b
+
+
+if __name__ == '__main__':
+    a = 14
+    b = 73
+    a2, b2 = swap_bit(a, b)
+    print "a was {0}, now it is {1}. \nb was {2}, now it is {3}".format(a, a2, b, b2)

src/extra_interview_problems/design/example_decorator.py

@@ -0,0 +1,39 @@
+#!/usr/bin/python
+
+
+# testing generator
+
+def interate(x):
+    for i in range(x):
+        yield i
+
+a =  interate(10)
+
+print a.next()
+print a.next()
+print a.next()
+
+# testing decorator
+
+def sum(func):
+    s = 0
+    for i in func():
+        s += i
+    return s
+
+@sum
+def interate():
+    a = []
+    for i in range(10):
+        a.append(i)
+    return a
+
+print interate
+
+def interate():
+    a = []
+    for i in range(10):
+        a.append(i)
+    return a
+
+print sum(interate)