python,list,for-loop,control-flow,built-in-types

You have some choices : 1.flatten your nested list and calculate the length of total list: >>> len(reduce(lambda x,y:x+y,ar1)) 11 Or you can loop over your list and sum the length of all your sub-lists you can do it with a generator expression within sum function : >>> sum(len(i) for...

python,python-3.x,built-in-types

I think easiest way (presuming you've imported scipy) for going backwards is to say-> for i in scipy.linspace(10,8,3)

c++,constructor,c++98,built-in-types

5.2.3 Explicit type conversion (functional notation) 2 The expression T(), where T is a simple-type-specifier (7.1.5.2) for a non-array complete object type or the (possibly cv-qualified) void type, creates an rvalue of the specified type, whose value is determined by default-initialization (8.5; no initialization is done for the void()...