INF201/uke1/4:population.py

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def table(data, head):
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# Formats the data into a nice table in a string
t = "{:^25}|{:^10}|\n".format(head[0],head[1])
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t += ("-"*len(t)+"\n")
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for n,p in data.items():
t += ("{:^25}|{:^10}|\n".format(n, p))
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return(t)
def main():
with open('norway_municipalities_2017.csv') as f:
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# we will make a dict where the the kei is the district and the value the population
d = {}
# assume the csv file always has a header
l_iter = iter(f)
l_iter.__next__()
for l in l_iter:
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# we get a list where 0 is the kommune name, 1 is what fylke it is in and 2 is the population
ll = l.strip("\n").split(',')
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name = ll[1]
if name in d.keys():
d.update({name: d.get(name) + int(ll[2])})
else:
d.update({name: int(ll[2])})
head = ["District", "Population"]
res = {key: val for key, val in sorted(d.items(), key = lambda ele: ele[1], reverse=True)}
print(table(res, head))
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if __name__ == "__main__":
main()