Τ.Ε.Μ. Κεφ8 Δρ18 alist = ['a', 'b', 'c', 'd']

Τι εμφανίζει;

alist = ['a', 'b', 'c', 'd']

ch = ' '

for i in alist:

        ch + = i

print ch

abcd

4

a1b2c3d4