# unPythonic
if season == 'Winter':
    holiday = 'Christmas'
elif season == 'Spring':
    holiday = 'Easter'
elif season == 'Summer':
    holiday = 'American Independence Day'
elif season == 'Fall':
    holiday = 'Halloween'
else:
    holiday = 'Personal day off'

# Pythonic
holiday = {'Winter': 'Christmas',
           'Spring': 'Easter',
           'Summer': 'American Independence Day',
           'Fall':   'Halloween'}.get(season, 'Personal day off')