PYTHON

python list keys from dictionary

# Basic syntax:
list_of_keys = list(dictionary.keys())

python get dictionary keys as list

# To get all the keys of a dictionary as a list, see below
newdict = {1:0, 2:0, 3:0}
list(newdict)
# Output:
# [1, 2, 3]

dict keys to list in python

>>> newdict = {1:0, 2:0, 3:0}
>>> [*newdict]
[1, 2, 3]

"""
In [1]: newdict = {1:0, 2:0, 3:0}

In [2]: %timeit [*newdict]
107 ns ± 5.42 ns per loop 

In [3]: %timeit list(newdict)
144 ns ± 7.99 ns per loop 

In [4]: %timeit [k for k in newdict]
257 ns ± 21.6 ns per loop 
"""

>>> list(newdict.keys())  # don't do this.

a list of keys and a list of values to a dictionary python

dict(zip(a, b))

How do I get the list of keys in a Dictionary?

List<string> keyList = new List<string>(this.yourDictionary.Keys);

How do I get the list of keys in a Dictionary?

Dictionary<string, int> data = new Dictionary<string, int>();
data.Add("abc", 123);
data.Add("def", 456);
foreach (string key in data.Keys) // look carefully Keys is used with "s" in it
{
	Console.WriteLine(key);
}