# format out put
name = 'Teacher Zhou Kai'
age = 45

print("{}的年龄是{}".format(name, age))  # normal
print("{}的年龄是{}".format(age, name))  # abnormal, variable sequence decides the print sequence

# the better way
print(name, "的年龄是", age)  # with one space

print("1", "2", "3", sep="!")  # split with sep