Python function that accepts a string and calculate the number of uppercase letters and lowercase letters.

Code:

def string_test(s):

    d={"UPPER_CASE":0, "LOWER_CASE":0}

    for c in s:

        if c.isupper():

           d["UPPER_CASE"]+=1

        elif c.islower():

           d["LOWER_CASE"]+=1

        else:

           pass

    print ("Original String : ", s)

    print ("No. of Upper case characters:", d["UPPER_CASE"])

    print ("No. of Lower case Characters:", d["LOWER_CASE"])

string_test('The quick Brown Fox')

 

Output: