name ="Tom"
age = 16

print("Hello Myname is "+name+" and I am "+str(age))

print("Hello Myname is {} and I am {}".format(name,age))

print("Hello Myname is {0} and My age is  {1}".format(name,age))

# 最常用 fstring
print(f"Hello Myname is {name} and I am {age+1}")