python3.x之print（）

1.print内容

#!/usr/bin/python

print('hello world')    //print("hello world")

2.print变量

#!/usr/bin/python

a='str_test'    //a="str_test"

print(a)

3.print变量到句子中

#!/usr/bin/python

a='str_test'   //a="str_test"

print('the test str is %s' (%a))   //print("the test str is %s" %(a))  //print("the test str is %s %s %s..." %(a,b,c,...))