Software Engineering Exams Quizzes MCQs Quizzes Python Online MCQs Test

Question:
What is the output when following code is executed?
>>> str1 = 'hello'
>>> str2 = ','
>>> str3 = 'world'
>>> str1[-1:]

Option A):
O
Option B):
hello
Option C):
olleh
Option D):
H

Correct Answer is Option A):
O