martin Visgean

## equality_creates_reference.py
>>> a = ["a","b","c"]
>>> b = a
>>> b.append("d")
>>> print a, b
['a', 'b', 'c', 'd'] ['a', 'b', 'c', 'd']

## Evolution of a Python programmer.py
# Easiest way:
# But it is without support for complex number.

from math import factorial
factorial(6)
	>>> a = ["a","b","c"]
	>>> b = a
	>>> b.append("d")
	>>> print a, b
	['a', 'b', 'c', 'd'] ['a', 'b', 'c', 'd']
	# Easiest way:
	# But it is without support for complex number.

	from math import factorial
	factorial(6)