/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

5 votes193 views5 answers
Formatted string in python
Python
1 vote180 views1 answer
Python moving average of list
Python
0 vote178 views2 answers
Python get webpage source
Python
0 vote187 views1 answer
How to load .mat file and convert it to .csv file?
Python
0 vote196 views1 answer
Python diferente de
Python
12 votes181 views4 answers
How to know if a input is a interger in python
Python
-1 vote203 views1 answer
Python find if part of list is in list
Python
0 vote189 views1 answer
How to run fastapi with code python
Python
1 vote178 views1 answer
Par o inpar python
Python
2 votes194 views1 answer
How do i print the entire array pthon jupyter
Python