what is the error with my python code?

Question

i have this code

animal_names, dates, locations = [], [], []

filename=input("Enter name of file:")
if filename=="animallog1.txt":
    data=open('animallog1.txt','r')
    information=data.read()
    for line in information:
        animal_name, date, location = line.strip().split(':')
        animal_names.append(animal_name)
        dates.append(date)
        locations.append(location)   

    print(animal_names)
    print(dates)
    print(location)

i am trying to use the data in the txt file to print me the results i want the txt file contains the following :

a01:01-24-2011:s1 
a03:01-24-2011:s2 
a02:01-24-2011:s2 
a03:02-02-2011:s2 
a03:03-02-2011:s1 
a02:04-19-2011:s2 
a01:05-14-2011:s2 
a02:06-11-2011:s2 
a03:07-12-2011:s1 
a01:08-19-2011:s1 
a03:09-19-2011:s1 
a03:10-19-2011:s2 
a03:11-19-2011:s1 
a03:12-19-2011:s2

which is in the format animal_name:date:location

using the above i want to get

animal_names=[a01,a02, #till the very end,a03]

same for the rest of them(date,location), how can i fix my code so that is my result

I also need to use these lists the answer questions later

Why don't you make an Animal class that encapsulates all that data in one place rather than keeping it in three separate lists? — roippi
– roippi, Commented Nov 25, 2013 at 0:39
builtins.ValueError: need more than 1 value to unpack @duhaime — rggod
– rggod, Commented Nov 25, 2013 at 0:41
print(location) should be print(locations), notice the plural s? And the above the error shows you haven't pass in arguments. — gongzhitaao
– gongzhitaao, Commented Nov 25, 2013 at 0:42

Hugh Bothwell · Accepted Answer · 2013-11-25 00:45:17Z

3

Or

def main():
    fname = input("Enter name of file: ")
    with open(fname) as inf:
        names, dates, locations = zip(*[line.strip().split(':') for line in inf])

    print(names)
    print(dates)
    print(locations)

if __name__=="__main__":
    main()

edited Nov 25, 2013 at 0:45

answered Nov 25, 2013 at 0:39

Hugh Bothwell

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