#  Binary.py (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-04-18  File created.
#  2022-12-18  Converted to Python 3.

def print_in_binary_form( given_integer )  :

   bit_mask = 0x80000000
   
   binary_string_to_print  =  "" 

   for  bit_counter  in  range( 32 ) :

      one_bit_in_given_integer  = given_integer & bit_mask 

      if  one_bit_in_given_integer  ==  0 :
      
         binary_string_to_print  +=  "0"
         
      else :

         binary_string_to_print  +=  "1"


      bit_mask  =  bit_mask  >>  1 ;

   print( binary_string_to_print, end="" )


# The main program.

test_number  =  0x9A9A ;

print( "\n Original test number:    ", end="" )
print_in_binary_form( test_number )

print( "\n Twice left-shifted form: ", end="" )
test_number  =  test_number  <<  2
print_in_binary_form( test_number )

print( "\n Back to original form:   ", end="" )
test_number  =  test_number  >>  2 
print_in_binary_form( test_number )

print( "\n Last four bits zeroed:   ", end="" )
test_number  =  test_number  &  0xFFF0
print_in_binary_form( test_number )

print( "\n Last four bits to one:   ", end="" )
test_number  =  test_number  |  0x000F
print_in_binary_form( test_number )

print( "\n A complemented form:     ", end="" )
test_number  =  ~test_number
print_in_binary_form( test_number )

print( "\n Exclusive OR with 0xF0F0:", end="" )
test_number  =  test_number ^ 0xF0F0
print_in_binary_form( test_number )

print( "\n" )