how to have multiple values to a key in dict in python
from collections import defaultdict
data = [(2010, 2), (2009, 4), (1989, 8), (2009, 7)]
d = defaultdict(list)
print (d) # output --> defaultdict(<type 'list'>, {})
for year, month in data:
d[year].append(month)
print (d) # output --> defaultdict(<type 'list'>, {2009: [4, 7], 2010: [2], 1989: [8]})dictionary multiple values per key
key = "somekey"
a.setdefault(key, [])
a[key].append(1)multiple values in a dictionary python
a["abc"] = [1, 2, "bob"]how to use multiple keys for single value in dictionary python
#Python Dictionary only contain one key : one value pair.
#You can surely have multiple keys having same value
#Example :-
dict = {'a':'value1', 'b':'value2', 'c':'value 3'}
#In above we have a and b key having same valuesCopyright © 2021 Codeinu
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