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

Python dict remove duplicates where name 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

0 vote120 views1 answer
Murugan adimai child artist name
Python
14 votes107 views4 answers
Django delete
Python
2 votes103 views1 answer
Dataframe shift python
Python
0 vote123 views1 answer
Ipywidget datepicker
Python
0 vote103 views1 answer
Inicio programacao python
Python
0 vote105 views1 answer
Read ms word with python
Python
0 vote109 views2 answers
Python closing socket good way
Python
2 votes119 views1 answer
Convert opencv image to pil image
Python
3 votes128 views6 answers
Python printing
Python
0 vote122 views1 answer
Ouvrir une autre fenetre tkinter
Python