''' Purpose: introduce variable reassignment
                       ----
'''

generation  = 1                               # first generation
nbr_rabbits = 2

print( 'Generation: ', generation  )
print( 'Number of rabbits:', nbr_rabbits )

input( 'Enter when ready: ' )                 # waits until user enters something

generation  = 2                               # next generation
nbr_rabbits = 4

print( 'Generation: ', generation  )
print( 'Number of rabbits:', nbr_rabbits )

input( 'Enter when ready: ' )                 # waits until user enters something

generation  = 3                               # next generation
nbr_rabbits = 8

print( 'Generation: ', generation  )
print( 'Number of rabbits:', nbr_rabbits )

input( 'Enter when ready: ' )                 # waits until user enters something

generation  = 4                               # next generation
nbr_rabbits = 16

print( 'Generation: ', generation  )
print( 'Number of rabbits:', nbr_rabbits )

input( 'Enter when ready: ' )                 # waits until user enters something

generation  = 5                               # next generation
nbr_rabbits = 32

print( 'Generation: ', generation  )
print( 'Number of rabbits:', nbr_rabbits )