python list minus int
It makes sense only for largish lists as there is some overhead in ... __sub__, a, b) <itertools.imap object at 0x50e1b0> >>> for i in imap(int., To check for any value greate than 27 you could iterate over the list and check where it's greater and only then subtract 26 from the item:,If you're trying to, e.g., subtract a list of dicts from another list of dicts, but the list to subtract is .... Thus, the below code can be used as a more python-list friendly: , This question was migrated from Software Engineering Stack Exchange because it can be answered on Stack Overflow. Migrated 8 years ago. How do I subtract 13 from each integer value in the list?, The easiest way is to use a list comprehension. C = [a - b for a, b in zip(A, B)]. or map() : from operator import sub C = map(sub, A, B)., Otherwise, look for list comprehensions used with the zip builtin function: [a_i - b_i .... import numpy as np a = [2,2,2] b = [1,1,1] np.subtract(a,b)., If you do a lot of such things, consider using numpy : In [1]: import numpy as np In [2]: mat = np.array([[1, 2], [3, 4]]) In [3]: cons = 13 In [4]: ..., You can use a list comprehension >>> values = [2, 4, 6, 8, 10] >>> [1 - value for value in values] [-1, -3, -5, -7, -9]. edit: If you really have a list of ...
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 python list minus int 相關參考資料
How to subtract two lists in python - Stack Overflow
It makes sense only for largish lists as there is some overhead in ... __sub__, a, b) <itertools.imap object at 0x50e1b0> >>> for i in imap(int. https://stackoverflow.com In a list of integers, how to subtract a number from one of the ...
To check for any value greate than 27 you could iterate over the list and check where it's greater and only then subtract 26 from the item: https://stackoverflow.com Python list subtraction operation - Stack Overflow
If you're trying to, e.g., subtract a list of dicts from another list of dicts, but the list to subtract is .... Thus, the below code can be used as a more python-list friendly: https://stackoverflow.com Subtract a value from every number in a list in Python? - Stack ...
This question was migrated from Software Engineering Stack Exchange because it can be answered on Stack Overflow. Migrated 8 years ago. How do I subtract 13 from each integer value in the list? https://stackoverflow.com Subtract values in one list from corresponding values in another ...
The easiest way is to use a list comprehension. C = [a - b for a, b in zip(A, B)]. or map() : from operator import sub C = map(sub, A, B). https://stackoverflow.com Subtracting 2 lists in Python - Stack Overflow
Otherwise, look for list comprehensions used with the zip builtin function: [a_i - b_i .... import numpy as np a = [2,2,2] b = [1,1,1] np.subtract(a,b). https://stackoverflow.com Subtracting a value from all elements of a 2D list in python ...
If you do a lot of such things, consider using numpy : In [1]: import numpy as np In [2]: mat = np.array([[1, 2], [3, 4]]) In [3]: cons = 13 In [4]: ... https://stackoverflow.com Subtracting all elements in list from a specific number - Stack ...
You can use a list comprehension >>> values = [2, 4, 6, 8, 10] >>> [1 - value for value in values] [-1, -3, -5, -7, -9]. edit: If you really have a list of ... https://stackoverflow.com |