Why Python returns a False statement when it shouldn't?

Question

Take this code for example:

print 2.0 == 2 #---> returns True

print 12 % 5 #---> returns 2
print ((12.0 / 5) - (12 / 5)) * 5 #---> returns 2.0

print ((12.0 / 5) - (12 / 5)) * 5 == 12 % 5 #---> returns False (What the hell happens here?)

Answer 1

Because the first calculation does not return exactly 2.0:

>>> ((12.0 / 5) - (12 / 5)) * 5
1.9999999999999996

print limits floating point display to 12 significant digits only, causing the value to be rounded to 2.0.