/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

17 votes182 views4 answers
Python delete directory contents
Python
1 vote180 views1 answer
Pandas has no attribute scatter_matrix
Python
1 vote253 views1 answer
How to make an simple python client
Python
0 vote166 views1 answer
Add colorbar to 2d hist
Python
0 vote177 views1 answer
How to find mean media and mode python
Python
0 vote178 views1 answer
Input and print
Python
0 vote166 views1 answer
Hot to check tkinter verionin python
Python
1 vote216 views2 answers
Pandas sort values group by
Python
2 votes169 views1 answer
Python pandas apply to one column
Python
15 votes163 views1 answer
Function to a button in tkinter
Python