CS 199: SPST Games
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Assignment 13:
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 - Examples of all these tasks are available on "PSU CS199"
 - Help for Strings: http://lslwiki.net/lslwiki/wakka.php?wakka=string

Task 1:
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 - Create a script that accepts commands in the form "sum [number]".
   This should sum all integers from 1 to the number.
 - eg. "sum 100" should produce the output "sum of 1 .. 100 = 5050"
 - Hint: You can use the function you created in assignment 12

Task 2:
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 - Create a script that accepts a command in the form "colour [vector]".
   This should colour all sides of the object with the colour specified by
   vector.
 - eg. "colour <1,0,0>" should colour the object red.

Task 3:
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 - Create a script that accepts a command in the form "time". This should print
    the current time, using hours, minutes, seconds.
 - eg. 16:37:01
 - Be sure that the minutes and seconds always have two digits
 - hint: llGetWallclock() will return the current time

Task 4:
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 - Create a script that will respond when anyone greets it with "Hello".
 - It should reply with "Hello,", then their first name.
 - eg. "Hello", then "Hello, Francis"