python - Understanding the map function - Stack Overflow
Jun 11, 2012 · The map() function is there to apply the same procedure to every item in an iterable data structure, like lists, generators, strings, and other stuff. Let's look at an example: …
Using multiple functions in Python 3 map () - Stack Overflow
I'm not sure why the code below works. According to docs, map only takes one function as the first argument and applies it to one or more iterables, depending on how many parameters the …
python - Most efficient way to map function over numpy array
Feb 5, 2016 · What is the most efficient way to map a function over a numpy array? I am currently doing: import numpy as np x = np.array([1, 2, 3, 4, 5]) # Obtain array of square ...
Is there a simple process-based parallel map for python?
I'm looking for a simple process-based parallel map for python, that is, a function parmap (function, [data]) that would run function on each element of [data] on a different process (well, …
When should I use a Map instead of a For Loop? - Stack Overflow
54 map is useful when you want to apply the function to every item of an iterable and return a list of the results. This is simpler and more concise than using a for loop and constructing a list. for …
How to use multiprocessing pool.map with multiple arguments
Jul 15, 2016 · For earlier versions of Python, you'll need to write a helper function to unpack the arguments explicitly. If you want to use with, you'll also need to write a wrapper to turn Pool …
python map function (+ lambda) involving conditionals (if)
Apply function to every item of iterable and return a list of the results. So the result is in a same length as your iterable.and if you use if statement you need to specify an else too.
python - Map list item to function with arguments - Stack Overflow
Mar 19, 2019 · Is there any way to map list items to a function along with arguments? I have a list: pages = [p1, p2, p3, p4, p5...] And I have to call function myFunc corresponding to each list …
python - How to do multiple arguments to map function where …
Let's say we have a function add as follows def add(x, y): return x + y we want to apply map function for an array map(add, [1, 2, 3], 2) The semantics are I want to add 2 to every element …
Can Python's map function call object member functions?
Oct 13, 2011 · Can Python's map function call object member functions? Asked 13 years, 7 months ago Modified 6 years, 1 month ago Viewed 35k times