Howw to prevent the duplication of any value in a column within a CSV file (python)
darnold
darnold992000 at yahoo.com
Wed Apr 27 11:49:09 EDT 2016
potential_passengers = ['bob','john','sue','wendy','chris','bob','jen','wendy']
accepted_passengers = set()
for name in potential_passengers:
print('checking on {}...'.format(name))
if name not in accepted_passengers:
accepted_passengers.add(name)
print('welcome aboard, {}!'.format(name))
else:
print('i am sorry, we have already accepted a {}.'.format(name))
print()
HTH,
Don
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