convert to lower case python code example

Example 1: how to change a string to small letter in python

my_str = "Hello World"
my_str.lower()
print(my_str)

Example 2: python convert string to lowercase

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

Example 3: python3 lowercase

str.lower()

Example 4: python to uppercase

original = Hello, World!

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

Example 5: python lowercase

// turn to lower/upper
string = string.upper()
string = string.lower()

// check if all letter are lower or upper
string.islower()
string.isupper()