# Lab4-task-solutions - Exercise from Introduction to...

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Exercise from: Introduction to Computing Using Python by Lj. Perkovic Task 1 -­‐ Solu,ons >>> s1='good' >>> s2='bad' >>> s3='silly' >>> 'll' in s3 True >>> ' ' not in s1 True >>> s1 + s2 + s3 'goodbadsilly’ >>> ' ' in s1 + s2 + s3 False >>> 10*s3 'sillysillysillysillysillysillysillysillysi llysilly' >>> len(s1+s2+s3) 12 >>>

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Introduction to Computing Using Python by Lj. Perkovic Task 2 -­‐ solu,ons >>> aha=‘abcdefgh’ >>> aha[:4] ‘abcd’ >>> aha[3:6] ‘def’ >>> aha[len(aha)-1] ‘d’ >>> aha[-3:-1] ‘fg’ >>> aha[3:] ‘defgh’ >>> aha[-3:] ‘fgh’ >>> aha[::3] ‘adg’ >>> aha[1:5:2] ‘be’
Introduction to Computing Using Python by Lj. Perkovic Task 3 -­‐ solu,ons >>> s = '''It was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness; it was the epoch of belief, it was the epoch of incredulity;

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