
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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In python!
The code should contain if __name__ == "__main__":

Transcribed Image Text:### Educational Website Transcription: Understanding Greatest Prefix Function
**Example Function Parameters:**
```plaintext
greatest_prefix("Solar system", "Solar panel!")
```
**Example Function Return Value:**
```plaintext
"Solar "
```
**Example Function Parameters:**
```plaintext
greatest_prefix("ABCCA", "ADCCA")
```
**Example Function Return Value:**
```plaintext
"A"
```
**Example Program Input:**
```plaintext
Solar system
Solar panel!
```
**Example Program Output:**
```plaintext
The largest prefix of 'Solar system' and 'Solar panel!' is 'Solar ' with size 6.
```
**Note:** Be careful with spaces :)
This example demonstrates how the `greatest_prefix` function operates by identifying the longest common prefix in two strings. It is crucial to pay attention to spaces, as they are part of the prefix.

Transcribed Image Text:8.17 LAB: Two prefixes
**Learning Objectives**
- Create a function with the required parameters and return value
- Use a for loop to go over !size! of the substring
- Use slicing to get the substring
**Instructions**
A little bit of looking back to strings:
- A substring - any part of a string
- A prefix - part of the string that starts from the very beginning of the initial string.
- Example: string "you are so nice" has prefixes "y", "you", "you ar", "you are so" and that is not all of them!
Create a function `greatest_prefix(..)` that would return the same largest prefixes for two strings.
Create a program that would read two strings, use your function to find the largest prefix for them, and print it and its size in a sentence:
The largest prefix of 'A' and 'B' is 'prefix' with size N.
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