''' Purpose: considers the subltety of swapping variable values
'''

# get and echo inputs

reply  = input( 'Enter two words: ' )

w1, w2 = reply.split()

print( )
print( 'w1 =', w1 )
print( 'w2 =', w2 )

### pause to think what has happened

print(); input( 'Enter when ready: ' ); print()

# swap the values of w1 and w2




### pause to think what has happened

# print results

print( 'After swapping' )

print( 'w1 =', w1 )
print( 'w2 =', w2 )