uppercase lowercase in python code example

Example 1: python to uppercase

text = "Random String"
text = text.upper() #Can also do 
text = upper(text)
print(text)

>> "RANDOM STRING"

Example 2: python 3 calculate uppercase lowercase letter

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))