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20121001a

String method

Select an arbitrary string method and write a little script that demonstrates it.

Some important points:

• The script should do something useful. Be able to describe the script in a sentence. Put a comment to the beginning of the script and explain what it does.
• put the main part of the script in a main() function
• The main() function should be executed only if the script is called directly. If the script is called as a module, then the main() function shouldn't be executed automatically.

Here is how to read from the standard input (i.e. keyboard):

>>> s = input("Name: ")
Name: Laszlo
>>> s
'Laszlo'
>>>

Concrete exercise

Let's see a concrete exercise too. Write a program that works the following way:

$ ./name.py
Name:         Fred           <E>
Hello Fred!

That is, the program asks our name interactively. Leave some spaces before and after the name. In the example, "<E>" represents the Enter key. The program must greet us, as can be seen in the example.

Python 2

In Python 2, instead of input() use the raw_input() function.