I have a dictionary d = {1:-0.3246, 2:-0.9185, 3:-3985, ...}
.
How do I extract all of the values of d
into a list l
?
In Python to get all values from a dictionary, we can use the values() method. The values() method is a built-in function in Python and returns a view object that represents a list of dictionaries that contains all the values.
To get a list of the dictionary's values, you can call the dict. values() function.
keys() method in Python Dictionary, returns a view object that displays a list of all the keys in the dictionary in order of insertion.
If you only need the dictionary keys 1
, 2
, and 3
use: your_dict.keys()
.
If you only need the dictionary values -0.3246
, -0.9185
, and -3985
use: your_dict.values()
.
If you want both keys and values use: your_dict.items()
which returns a list of tuples [(key1, value1), (key2, value2), ...]
.
Use values()
>>> d = {1:-0.3246, 2:-0.9185, 3:-3985}
>>> d.values()
<<< [-0.3246, -0.9185, -3985]
For Python 3, you need:
list_of_dict_values = list(dict_name.values())
If you want all of the values, use this:
dict_name_goes_here.values()
If you want all of the keys, use this:
dict_name_goes_here.keys()
IF you want all of the items (both keys and values), I would use this:
dict_name_goes_here.items()
For nested dicts, lists of dicts, and dicts of listed dicts, ... you can use
from typing import Iterable
def get_all_values(d):
if isinstance(d, dict):
for v in d.values():
yield from get_all_values(v)
elif isinstance(d, Iterable): # or list, set, ... only
for v in d:
yield from get_all_values(v)
else:
yield d
An example:
d = {'a': 1, 'b': {'c': 2, 'd': [3, 4]}, 'e': [{'f': 5}, {'g': set([6, 7])}]}
list(get_all_values(d)) # returns [1, 2, 3, 4, 5, 6, 7]
PS: Yes, I love yield
. ;-)
Call the values()
method on the dict.
If you want all of the values, use this:
dict_name_goes_here.values()
Code of python file containing dictionary
dict={"Car":"Lamborghini","Mobile":"iPhone"}
print(dict)
If you want to print only values (instead of key) then you can use :
dict={"Car":"Lamborghini","Mobile":"iPhone"}
for thevalue in dict.values():
print(thevalue)
This will print only values instead of key from dictionary
Bonus : If there is a dictionary in which values are stored in list and if you want to print values only on new line , then you can use :
dict={"Car":["Lamborghini","BMW","Mercedes"],"Mobile":["Iphone","OnePlus","Samsung"]}
nd = [value[i] for value in dict.values()
for i in range(2)]
print(*nd,sep="\n")
Reference - Narendra Dwivedi - Extract Only Values From Dictionary
d = <dict>
values = d.values()
I know this question been asked years ago but its quite relevant even today.
>>> d = {1:-0.3246, 2:-0.9185, 3:-3985}
>>> l = list(d.values())
>>> l
[-0.3246, -0.9185, -3985]
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