Question: Please explain: 2.6 Which pairs of the following Python programs are equivalent? P=def f(x): return str(len(x) +1) Q = def f(x): return str(len(x+'a')) R =

Please explain:

Please explain: 2.6 Which pairs of the following Python programs are equivalent?

2.6 Which pairs of the following Python programs are equivalent? P="def f(x): return str(len(x) +1) Q = def f(x): return str(len(x+'a'))" R = "def f(x) : L=1while L!=len(x) : L=L+1) return str (L+1) (note that all lines except the first are indented here) O

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