'''Purpose:''' Help with the math function '''rand'''.
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'''srand(arg)'''

The arg, which must be an integer, is used to reset the seed for the random number generator.  Returns the first random number from that seed.  Each interpreter has its own seed.
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''See also:'' [rand].

The rand() and srand() functions are ''not'' cryptographically
secure, and must ''not'' be used to generate one-time passwords
or session keys.