What's the value of short-circuit of Python?

Question

I\'m learning the book named Data Structures & Algorithms in Python.

On Page 12 that introduce the Logical Operators, it writes:

Answer 1

>>> if 1 or 0:
...     print "I am learning"
... 
I am learning
>>> if 1 and 0:
...     print "I am learning"
... 
>>> if 0:
...     print "I am learning"
... 
>>> if 1:
...     print "I am learning"
... 
I am learning
>>> if None and 1:
...     print "be crazy"
... 
>>> if None or 1:
...     print "be crazy"
be crazy

much like C implementation.

And the last line is read correct had the first condition was unsuccessful in returning the error the second condition checks for the error