text = "Marry had a little lamb."
char2count = {}

for ch in text:
    if ch in char2count:
        char2count[ch] += 1
    else:
        char2count[ch] = 1

print char2count.keys()   # list of key values
print char2count.values()   # list of values (in same order as keys)

for ch in char2count.keys():
    print ch, char2count[ch]