/Python/Python remove duplicates from list of dict

Python remove duplicates from list of dict

Python remove repeated elements from list

# ----- Create a list with no repeating elements ------ #

mylist = [67, 7, 89, 7, 2, 7]
newlist = []

  for i in mylist: 
    if i not in newlist: 
        newlist.append(i)

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 vote267 views1 answer
Python flatten one liner
Python
0 vote272 views1 answer
String to date in BQ
Python
0 vote266 views2 answers
Selenium delete cookies python
Python
9 votes215 views8 answers
Python get first element from list
Python
1 vote252 views1 answer
TypeError: ‘int’ object is not subscriptable Solution
Python
0 vote289 views1 answer
Create jwt token in django
Python Django
3 votes263 views1 answer
Multiple linear regression in python
Python
4 votes273 views4 answers
Flash messages django
Python
9 votes248 views6 answers
Join pandas dataframe by column
Python
0 vote258 views1 answer
Add timestamp csv python
Python