Question

If S = “ this is a test” what is the output returned by following slicing operations?
21. S [ : ]
a. “thisis atest”
22. S[3:7]
a. “this” b. “s is”
23. S[ : : -1]
a. “ this is a test”
b.“this” c.““ d. “test” c. “s is “ d. “test”
b. “tset a si siht” c. “ this” d. “siht”
24. S[2: : 2]
a. “thisis” b.“isatest” c.“iiats” d.'is et'
25. S[2:2:2]
a. ‘‘ b.i c.ii d.‘th’
26. S[ : : -2]
a. 'te s it' b. ‘tesit’ c. ‘tet’ d. ‘test’