pep – Page 2 – Tarik Billa

E731 do not assign a lambda expression, use a def

October 1, 2022 by Tarik

The recommendation in PEP-8 you are running into is: Always use a def statement instead of an assignment statement that binds a lambda expression directly to a name. Yes: def f(x): return 2*x No: f = lambda x: 2*x The first form means that the name of the resulting function object is specifically ‘f’ instead … Read more

Why is there no xrange function in Python3?

September 29, 2022 by Tarik

Some performance measurements, using timeit instead of trying to do it manually with time. First, Apple 2.7.2 64-bit: In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0) 1 loops, best of 3: 1.05 s per loop Now, python.org 3.3.0 64-bit: In [83]: %timeit collections.deque((x for x in range(10000000) if x%4 == … Read more