properties_and_method_of_string.py

#strip()
a = " Hello, World! "
print(a.strip()) # returns "Hello, World!"

#len()
a = "Hello, World!"
print(len(a)) # returns length

#lower()
a = "Hello, World!"
print(a.lower()) # makes all string lower case

#upper()
a = "Hello, World!"
print(a.upper()) # makes all string upper case

#replace()
a = "Hay Hello, World"
print(a.replace("H", "J")) # replaces H with J

#split()
a = "Hello, World!"
print(a.split(",")) # returns ['Hello', ' World!']