python dict remove duplicates where name are not the same

Good Grouse answered on March 27, 2021 Popularity 10/10 Helpfulness 4/10

answer python dict remove duplicates where name are not the same

related python remove duplicates from list of dict

python dict remove duplicates where name are not the same

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import itertools
mylist = [{'x':2020 , 'y':20},{'x':2020 , 'y':30},{'x':2021 , 'y':10},{'x':2021 , 'y':5}]
mylist1=[]
for key, group in itertools.groupby(mylist,lambda x:x["x"]):
    max_y=0
    for thing in group:
        max_y=max(max_y,thing["y"])
    mylist1.append({"x":key,"y":max_y})
print(mylist1)

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Source: stackoverflow.com

Tags: items python where

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Contributed on Sep 16 2021

Good Grouse

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Closely Related Answers

python remove duplicates from list of dict

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# set the dict to a tuple for hashability, then use {} for set literal and retrn each item to dict. 
[dict(t) for t in {tuple(d.items()) for d in l}]
# using two maps()
list(map(lambda t: dict(t), set(list(map(lambda d: tuple(d.items()), l)))))

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Source: stackoverflow.com

Tags: list

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