how to use the upper function 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 convert string to lowercase

# By Alan W. Smith and Petar Ivanov
s = "Kilometer"
print(s.lower())

Example 3: python upper

>>> funny = 'haha'
>>> print(funny.upper())
HAHA

Example 4: python to uppercase

original = Hello, World!

#both of these work
upper = original.upper()
upper = upper(original)