switching keys and values in a dictionary in python [duplicate]
my_dict = {2:3, 5:6, 8:9}
new_dict = {}
for k, v in my_dict.items():
new_dict[v] = kswitching keys and values in a dictionary in python [duplicate]
my_dict = {2:3, 5:6, 8:9}
new_dict = {}
for k, v in my_dict.items():
new_dict[v] = kpython 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)Copyright © 2021 Codeinu
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