El diccionario obtiene la clave y el valor.
# Loop thru a dictionary, get both key and value.
dd = {'john':3, 'mary':4, 'joe':5, 'vicky':7}
for kk, vv in dd.items():
print(kk, ' is ', vv)
# john is 3
# mary is 4
# joe is 5
# vicky is 7
Sore Sloth