27.String slice Take the following Python code that stores a string: str = 'X-DSPAM-Confidence[0.8475]' Use find and string slicing to extract the portion of the string inside the unique square brackets [] and then use the float function to convert the extracted string into a floating point number. Your code should be able to automatically handle different content strings in the same format. Don't print a fixed number only for this particular input, or count

27.String slice Take the following Python code that stores a string: str = 'X-DSPAM-Confidence[0.8475]' Use find and string slicing to extract the portion of the string inside the unique square brackets [] and then use the float function to convert the extracted string into a floating point number. Your code should be able to automatically handle different content strings in the same format. Don't print a fixed number only for this particular input, or count

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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Question

27.String slice
Take the following Python code that stores a
string:
str = 'X-DSPAM-Confidence[0.8475]'
%3D
Use find and string slicing to extract the
portion of the string inside the unique square
brackets [] and then use the float function to
convert the extracted string into a floating
point number. Your code should be able to
automatically handle different content strings
in the same format. Don't print a fixed
number only for this particular input, or count
the positions manually.
Output should be like this:
0.8475

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