This function takes a string, text, and returns number of spaces in that string. Identify the loop exit condition, the loop post-condition, and the loop invariant at the end of each iteration of the loop, which shows the algorithm's correctness. def count_spaces (text): count = 0 i = 0 while i < len(text): if text[i] == ' ' : count += 1 i += 1 return count
This function takes a string, text, and returns number of spaces in that string. Identify the loop exit condition, the loop post-condition, and the loop invariant at the end of each iteration of the loop, which shows the algorithm's correctness. def count_spaces (text): count = 0 i = 0 while i < len(text): if text[i] == ' ' : count += 1 i += 1 return 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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This function takes a string, text, and returns number of spaces in that string. Identify the loop exit condition, the loop post-condition, and the loop invariant at the end of each iteration of the loop, which shows the
def count_spaces (text):
count = 0
i = 0
while i < len(text):
if text[i] == ' ' :
count += 1
i += 1
return count
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