[python] 從 list B 中, 找出最接近 list A 的數值串列 (From list of integers, get numbers closest to a given value list)

如何從一組數字 list B 中, 傳回最接近數字 list A 的串列

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Key:

min(list_B, key=lambda x:abs(x-mydata) # 從 list_B 傳回 與 mydata 最接近的數字

作法

def test_get_nearest():

   list_A = [10, 20, 30, 40]

   list_B = [11, 22, 33, 44]

   get_nearest(list_A, list_B)   # output: [11, 22, 33, 44]

# 從 list B 中, 找出最接近 list A 的數值串列

def get_nearest(list_A, list_B):

   list_loc_nearest = []

   for loc in list_A:

       list_loc_nearest.append(min(list_B, key=lambda x:abs(x-loc)))

   print('list_loc_nearest = ', list_loc_nearest)

Reference

• https://stackoverflow.com/questions/12141150/from-list-of-integers-get-number-closest-to-a-given-value
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