Pattern 2.3 List filtering (B2 P2, 5.80) □

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
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Write an algorithm based on Pattern 2.3 Note that you will need to modify step 4ai
23:24
Pattern 2.3 List filtering (B2 P2,
p. 80)
1
(Filters an existing list and generates a new list that only
includes those values of the input list that satisfy some
condition.)
2
3
4
4a
5
learn2.open.ac.uk
4ai
NO 95%
|||
initialise the input_list with the given values
initialise other inputs of the problem
initialise the output_list to the empty list
for each input_value of the input_list:
if the input_value satisfies the condition:
append the input_value to the output_list
print the output_list
Note that step 1 leaves open how the list is initialised.
It could have been generated as in the pattern: list
generation.
74
Transcribed Image Text:23:24 Pattern 2.3 List filtering (B2 P2, p. 80) 1 (Filters an existing list and generates a new list that only includes those values of the input list that satisfy some condition.) 2 3 4 4a 5 learn2.open.ac.uk 4ai NO 95% ||| initialise the input_list with the given values initialise other inputs of the problem initialise the output_list to the empty list for each input_value of the input_list: if the input_value satisfies the condition: append the input_value to the output_list print the output_list Note that step 1 leaves open how the list is initialised. It could have been generated as in the pattern: list generation. 74
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