What are Dict and List comprehensions? code example

Example 1: dictionary comprehension python

square_dict = {num: num*num for num in range(1, 11)}

Example 2: python dictionary comprehension

dict1 = {'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5}
# Double each value in the dictionary
double_dict1 = {k:v*2 for (k,v) in dict1.items()}
# double_dict1 = {'e': 10, 'a': 2, 'c': 6, 'b': 4, 'd': 8} <-- new dict

Example 3: dict comprehension

# Dictionary comprehension

{i:i*2 for i in range(10)}