Write a program that accepts a sentence and calculate the number of letters and digits.

Solution:
s = raw_input()
d={“DIGITS”:0, “LETTERS”:0}
for c in s:
     if c.isdigit():
           d[“DIGITS”]+=1
     elif c.isalpha():
           d[“LETTERS”]+=1
    else:
           pass
print “LETTERS”, d[“LETTERS”]
print “DIGITS”, d[“DIGITS”]
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