operator_boolean.py

#!/usr/bin/env python


from operator import *

a = -1
b = 5

print 'a =', a
print 'b =', b
print

print 'not_(a)      :', not_(a)
print 'truth(a)     :', truth(a)
print 'is_(a, b)    :', is_(a, b)
print 'is_not(a, b) :', is_not(a, b)