dictionary questions

[atux_null]

hi. i have two questions that i am stuck with in dictionarys. First one,

di1={5:'K',3:'A',2:'R',7:'T',4:'G',6:'S'}
di2={'GR':'Greece','IT':'Italy','ES':'Spain'}
print(len(di2[xxxx]))

it needs to replace xxx with something that print will output 6.



second,

di={'A':['a',41],'B':['b',42],'C':['c',43]}
s=0
for i in di:
    s+=yyy
print(s)

need to replace yyy with something that will print 126


please i am asking for your help.