print("what is your {}? it's '{}'".format("name","jm"))

print("{0} and {1}".format("watermelon","apple"))
print("{1} and {0}".format("watermelon","apple"))

print("{subject} is {object}".format(subject="he",object="programmer"))
print("my {0} is {1} and i'm \"{hobby}\"".format("name","jm",hobby="prograrmmer"))