name1 = "Yash"
name2 = "Reyansh"
temp = "This is a {} and he is a good boy named {}".format(name1,name2)
temp = "This is a {1} and he is a good boy named {0}".format(name1,name2)
temp = "This is a {0} and he is a good boy named {1}".format(name1,name2)
temp = f"this is a {name1} and he is a good boy {name2}"
print (temp)
