Sep 21, 2020 · # Given a list: a = ['Alice', 'Liz', 'Bob'] # One-Line Statement Creating a Dict: d = dict(enumerate(a)) print(d) # {0: 'Alice', 1: 'Liz', 2: 'Bob'} The one-liner dict(enumerate(a)) first creates an iterable of (index, element) tuples from the list a using the enumerate function.

I want to create a dictionary out of a given list, in just one line. The keys of the dictionary will be indices, and values will be the elements of the list. Something like this: a = [51,27,13,56] #given list d = one-line-statement #one line statement to create dictionary print(d) Output: {0:51, 1:27, …

Feb 4, 2018 · I am looking for a short and compact one-liner to initialize a dictionary from a list in Python. Is there an equivalent to the two constructs below? dic = {} for elt in list: dic[elt.hash] = elt

Dec 31, 2014 · I'm constructing a dictionary (which I'll later make into a JSON string). I construct it like this: data[smallItem] = smallItem. How can I make that for loop one line? You can use a dict comprehension: You might also use dict and a generator …

Sep 19, 2020 · Dictionary Comprehension is a concise and memory-efficient way to create and initialize dictionaries in one line of Python code. It consists of two parts: expression and context. The expression defines how to map keys to values.

Oct 5, 2024 · The code demonstrates how to use dictionary comprehension in Python with five examples. It covers creating dictionaries from lists, filtering items, transforming values, using functions in value expressions, and nested dictionary comprehension.

Feb 5, 2025 · Dictionary comprehension in Python lets you create dictionaries in a single line of code. It’s like a shortcut that makes your code cleaner and often faster. While many Python developers know about list comprehension, dictionary …

Apr 25, 2025 · One-Liner #1: To input space separated integers in a list: Suppose you want to take space separated input from the console and you want to convert it into List. To do this map () function can be used that takes int () method and input ().split () methods as parameter.

Let us get started with 10 common Python one-liners for dictionaries. 1. Change entry. 2. Delete entry. 3. Add new entry. Unlike lists, assigning an existing index in a dictionary changes its associated value. Whenever you assign a new dictionary key, you create a new entry in the dictionary. For instance, here we add a new key 'brunch' .

Dec 24, 2021 · Let us get started with 10 common Python one-liners for dictionaries. 1. Change entry. 2. Delete entry. 3. Add new entry. Unlike lists, assigning an existing index in a dictionary changes...