Computer Science
Assuming words is a valid list of words, the program below tries to print the list in reverse. Does it have an error ? If so, why ? (Hint. There are two problems with the code.)
for i in range(len(words), 0, -1):
print(words[i], end=' ')
Python List Manipulation
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Answer
There are two issue in range(len(words), 0, -1):
- The start index
len(words)is invalid for the listwordsas it will have indexes from 0 tolen(words) - 1. - The end index being 0 means that the last element of the list is missed as the list will be iterated till index 1 only.
The corrected python code is :
for i in range(len(words)-1, -1, -1):
print(words[i], end=' ')
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