Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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PLEASE DO THIS IN PYTHON

Part 4 - Performance of binary_search

Modify your binary_search function to count the number of comparisons (==, <, <=, >, or >=). The function will now return both the number of comparisons made and the True or False result.

The code below calls your function, and creates a simple ASCII bar chart of the number of comparisons (divided by 10, to account for small differences).

Test Code

max_elements = 100000 for length in range(1, max_elements, 10000): values = list(range(1, (2 * length) + 1, 2)) num_comparisons, found = binary_search(values, length + 1, 0, len(values) - 1) num_comparison_string = format(num_comparisons, '03d') print(num_comparison_string, '*' * (num_comparisons // 10))

 

 

 

```python
# ****Your Work****
### @solution

def binary_search(values, to_find, start_index, end_index):
    ...

#
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Transcribed Image Text:```python # ****Your Work**** ### @solution def binary_search(values, to_find, start_index, end_index): ... #
Expert Solution
Check Mark
Step 1: Given information

Performance of binary search

Below code modify binary_search function to count the number of comparison. 

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