##Explain the concet of string data typeees
phrase = "GiraffeAcademy"
print (phrase + "is cool")
#the \n take the printer to the next line.
# \" is used to print the " character
# + is the concatenation
print (phrase.lower())
#converts the phrase string to lower case.
print (phrase.upper())
#converts the phrase string to upper case.
print (phrase.isupper())
#Checks if the <phrase> string is upper case.

##Combination of functions
print (phrase.upper().isupper())
#the first one converts to upper case and 2nd one checks upperness
print (len(phrase))
#returns the length of phrase

##Manipulating individual characters of a string
print (phrase[3])
#Prints the first character
print (phrase.index("Acad"))
#index returns the location of string in another string
print (phrase.replace("Giraffe","Elephant"))
