/Python/Python dict remove duplicates where items are not the same

Python dict remove duplicates where items are not the same

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)

Source: stackoverflow.com

Python remove duplicates from list of dict

# 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)))))

-1

Source: stackoverflow.com

Similar codes

1 vote154 views1 answer
Python decrease gap between subplot rows
Python
0 vote203 views1 answer
Torch.cuda.randn
Python
-1 vote170 views1 answer
Convert character to unicode python
Python
3 votes105 views1 answer
How to present if statement in dfd
Python
0 vote185 views1 answer
Django rest framework not getting form
Python Django
0 vote138 views1 answer
Change command aliad
Python
0 vote134 views1 answer
Pass 2d array to 1d python
Python
25 votes135 views6 answers
Python get current time
Python
0 vote138 views9 answers
Python how to count ever yfile in fodler
Python
1 vote144 views1 answer
Get body from request python
Python