Write a Python function that accepts a string and calculates the number of uppercase letters and lowercase letters. Sample String : 'The quick Brown Fox' Expected Output : No. of Uppercase characters : 3 No. of Lowercase Characters : 12 code example

world = input()
upper,lower = 0,0

for i in world:
    upper+=i.isupper()
    lower+=i.islower()

print("UPPER CASE {0}\nLOWER CASE {1}".format(upper,lower))