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 Brow Fox')