import random def create_dna(n, alphabet=’acgt’):     return ’’.join([random.choice(alphabet) for i in range(n)]) dna = create_dna(1000000) ----------------------------------------------------------------------------------------------------------------------------------------------- Creates a dna variable containing a string of length 1000000, and with the a,c,g,t characters. Creates a dna variable containing a string of length less than 999999, and with the a,c,g,t characters. Creates a dna variable containing a string of length 999999, and with the a,c,g,t characters. Creates a dna variable containing a string of length 999999, containing the 'acgt' substring repeated

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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What does the following code do?

  1. import random
  2. def create_dna(n, alphabet=’acgt’):
  3.     return ’’.join([random.choice(alphabet) for i in range(n)])
  4. dna = create_dna(1000000)

-----------------------------------------------------------------------------------------------------------------------------------------------

  1. Creates a dna variable containing a string of length 1000000, and with the a,c,g,t characters.
  2. Creates a dna variable containing a string of length less than 999999, and with the a,c,g,t characters.
  3. Creates a dna variable containing a string of length 999999, and with the a,c,g,t characters.
  4. Creates a dna variable containing a string of length 999999, containing the 'acgt' substring repeated.
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