How to write a hello world program with python
How to write a hello world program in python, for this problem, this article describes the corresponding analysis and solution in detail, hoping to help more small partners who want to solve this problem find a simpler and easier way.
(1)Create a Hello.py
[hadoop@slave1 desktop]$ vi hello.py
Click here to fold or open
print("Hello World! ")
(2)Run python script with "python *.py"
[hadoop@slave1 desktop]$ python hello.py
Hello World!
Or:
Click here to fold or open
$ python
Python 2.6.6 (r266:84292, Feb 21 2013, 23:54:59)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> print "hello world"
hello world
(3)accept user input
[hadoop@slave1 desktop]$ vi hello.py
Click here to fold or open
print("Hello World! ")
x=input("x:")
y=input("y:")
print(x*y)
print("I will begin to learn python,come on ! ")
(4)implementation
[hadoop@slave1 desktop]$ python hello.py
Hello World!
x:125
y:2
250
I will begin to learn python,come on !
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