Python Integer to Binary

#Python cookbook, 18.11
#note:each hex is 4-bit binary equivalent
#one bit at a time
def integer_to_binary(n):
    bits = [] #bits = [None]*8
    while n:
        #print bits
        bits.append('01'[n&1])
        n >>= 1

    bits.reverse()
    print bits

integer_to_binary(16)

'''
try:
    if 1>0:
        i = 1/0
        print 'in try'
    
except Exception, e: #GO HERE
    print 'exception caught', e
else: #OR GO HERE
    print 'in else'

#Then continue from here after "except" or "else"
print 'last line'
'''