/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

23 votes202 views1 answer
Python get minute from datetime
Python
1 vote216 views1 answer
How to print whole year calendar in python
Python
3 votes189 views3 answers
NameError: name ‘pd’ is not defined
Python
2 votes278 views1 answer
How to return images in flask response?
Python Flask
1 vote237 views1 answer
Add background image in django uploaded file
Python
0 vote222 views1 answer
Networkx draw tripartite graph
Python
0 vote288 views1 answer
Python Split list into chunks using itertools Method
Python
15 votes227 views3 answers
How to get a row from a dataframe in python
Python
3 votes269 views2 answers
Jupyter print full dataframe
Python
0 vote311 views1 answer
Cuda memory in pytorch
Python