#STRING UPPERCASE
a = "Hello, Buddy!"
print("OUTPUT 1 : ",a.upper())
#STRING LOWERCASE
a = "Hello, Buddy!"
print("OUTPUT 2 : ",a.lower())
#REMOVE WHITESPACE
a = " Hello, Buddy! "
print("OUTPUT 3 : ",a.strip()) # returns "Hello, World!"
#REPLACE STRING
a = "Hello, Buddy!"
print("OUTPUT 4 : ",a.replace("H", "J"))
#SPLIT STRING
a = "Hello, Buddy!"
print("OUTPUT 5 : ",a.split(",")) # returns ['Hello', ' World!']