Python List Comprehension To Produce Two Values In One Iteration
List comprehensions generate one element at a time Your options are instead to change your loop to only generate one value at a time i 2 2 if i 2 else i 2 for i in range 2 20 or to produce tuples then flatten the list using itertools chain from iterable
Python List Comprehension And Function Returning Multiple Values , I wanted to use list comprehension to avoid writing a for loop appending to some lists But can it work with a function that returns multiple values I expected this simplified example code to work def calc i a i 2 b i 2 return a b steps 1 2 3 4 5 ay be calc s for s in steps but it doesn t
Python List comprehension To Get Multiple Values
You can create your list comprehension like this which returns the value and its reasons or an empty list for why it is bad def why bad value reasons if value 2 reasons append not divisible by two return reasons all values 1 2 3 bad values i why bad i for i in all values print bad values
Python Return Multiple Values From List Comprehension If Any Value , Do the list comprehension with a check for each k gt gt gt a id 1 k 1 id 2 k 2 id 3 k 3 gt gt gt x id x k for x in a if x k 2 2 2 This will return multiple values if more than one k matches
Python List Comprehension Single Multiple Nested amp More
Python List Comprehension Single Multiple Nested amp More, The following synax is the most common version of multiple list comprehension which we ll use to flatten a list of lists list of lists 4 8 4 2 28 1 12 3 6 2 int i for sublist in list of lists for i in sublist
Python Return Multiple Values Embedded Inventor
How To Return Multiple Values From A Python List
How To Return Multiple Values From A Python List Returning Multiple Values from a Python list There are several ways to return multiple values from a Python list They are Using indexing Using list slicing Using list comprehension Using filter method Method 1 Returning Multiple values from a list using Python Indexing
Python Function Return Multiple Values SOLVED GoLinux
It is possible for a list comprehension to return multiple lists if the elements are lists So for example gt gt gt x y for x in range 2 gt gt gt x gt gt gt y gt gt gt The trick with zip function would do the job but actually is much more simpler and readable if you just collect the results in lists with a loop Python Possible To Return Two Lists From A List Comprehension . Sorted by 36 Note that return 2 x x is short for return 2 x x i e a tuple Your list comprehension thus generates a list of tuples not a tuple of lists The nice thing of zip however is that you can easily use it in reverse with the asterisk xlist ylist zip f value for value in x with asterisk Option 3 Use list comprehension to get a list of tuples and then two other list comprehension to copy the values It is better than Option 1 as here my func is only called once for each i ret my func i for i in range 10 first vals r 0 for r in ret second vals r 1 for r in ret
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