Create a dictionary with comprehension
Can I use list comprehension syntax to create a dictionary?
Can I use list comprehension syntax to create a dictionary?
As we all know, there’s list comprehension, like
How can I make the following functionality compatible with versions of Python earlier than Python 2.7?
Does there exist a way in Python 2.7+ to make something like the following?
Trying to think of a one-liner to achieve the following ( summing all the values of a key) :
I’m having trouble understanding nested dictionary comprehensions in Python 3. The result I’m getting from the example below outputs the correct structure without error, but only includes one of the inner key: value pairs. I haven’t found an example of a nested dictionary comprehension like this; Googling “nested dictionary comprehension python” shows legacy examples, non-nested comprehensions, or answers solved using a different approach. I may be using the wrong syntax.