Python Foundation 2-hello,world

First program hello,world!

Interactive programming:
In the terminal window, enter:
Python
Enter Python interactive mode after carriage return, then enter in the prompt >>> follow:
print ' hello,world! '
Then output on the screen:
hello,world!

Note: If you are running on a version of 3.x, you should use parentheses in the print statement
Print (' hello,world! ')

Script Programming:
First write a script through the editor such as:
print ' hello,world! '
Then save as **.py file
Then run Python **.py on the command line to execute the script

Note: If the script executes on Linux, add the Execute permission and then execute
chmod +x **.py
./**.py (You must first add executable permissions, otherwise you need to execute with Python **.py)

Python Foundation 2-hello,world