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Algorithms

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Question 27

Refer to the Python code below.

1      # ----- Global variables -----
2      gemstones = ["Ruby", "Sapphire", "Emerald", "Diamond", "Amethyst"]
3
4      # ----- Subprograms -----
5      def showGemstones (items):
6          for i in range (0, len (items)):
7              print (i, items[i])
8
9      # ----- Main Program -----
10     choice = input ("Show gemstone collection? ")
11     if ((choice == "yes") or (choice == "y")):
12         showGemstones (gemstones)
13     else:
14         print ("Goodbye")

Give the value of gemstones[3].

[1]
Markscheme

Algorithms Questions

  1. GCSE
  2. /Computer Science
  3. /Algorithms

159 exam-style questions on Edexcel GCSE Computer Science Algorithms, covering Constructs for solving problems, Variables, constants and data structures, Arithmetic, relational and logical operators, Tracing algorithm output with trace tables, Types of error and correcting logic errors, Standard algorithms (sorts and searches), and Evaluating algorithm fitness and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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