Oppgave 1:

user = ['Mikael Kimerud', 'Abdikani Gureye', 'Eva Lie']
username = ['mikaek', 'abdikg', 'evalie']

for i, j in zip(user, username):
           print (i +": "+ j)

Oppgave 2:

import random

password = []
crackPassword = []

for i in range(3):
    password.append(random.randint(0, 9))
    for j in range(10):
          if(password[i] == j) :
             crackPassword.append(j)

print password
print crackPassword