[Solved] Print a list with names and ages and show their average age

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This also works:

pairs = dict([tuple(namn[i:i+2]) for i in range(0, len(namn), 2)])
for name, age in sorted(pairs.items()):
    print("%s: %d" % (name, age))

avg_age = sum(pairs.values())/ len(pairs)
print("Average Age: %f" % (avg_age))

Output:

Anna: 27
Emelie: 32
Erik: 30
Johanna: 29
Jonas: 26
Josefine: 20
Kalle: 23
Lena: 22
Peter: 19
Average Age: 25.333333

You could also extend this by sorting the names in alphabetical order too.

2

solved Print a list with names and ages and show their average age