Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 16:07:46) [MSC v.1900 32 bit (Intel)] on win32
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>>> # data types
>>> # 42 integer (int)
>>> # 3.0 float (float)
>>> # True boolean (bool)
>>> # 42 > 45 boolean (bool)
>>> # not 42 > 91 boolean (bool)
>>> # "Hello" string (str)
>>> # float(3) < 9 boolean (bool)
>>> 
>>> # [0, 1, 2, 3] = for i in range (4):
	# print (i)
	
>>> # [-4, -3, -2, -1, 0] = for i in range(-4, 1):
>>> 	# print (i)
>>> # range(0, 10, 2) = [0, 2, 4, 6, 8]
>>> # range(2, 11, 3) = [2, 5, 8]
>>> # [25, 20, 15, 10, 5, 0] = for i in range(25, -5, -5):
>>> 	# print (i)
>>> 
>>> 
>>> 
>>> # range(1000, -100, -100): = [1000, 900, 800, 700, 600, 500, 400, 300, 200, 100, 0]
