#define variables
character_name = "John"
character_age = "35"
is_male = True

#introduce in print output
print("There once was a man named "+ character_name +", ")
print("he was "+character_age+" yeas old. ")

#Reasign new value to variable
character_name = "Mike"
print("He really liked the name "+ character_name +", ")
print("but didn't like being "+character_age+".")