Python dict comprehension

Dict comprehension python

# dict comprehension we use same logic, with a difference of key:value pair
# {key:value for i in list}

fruits = ["apple", "banana", "cherry"]
print({f: len(f) for f in fruits})

#output
{'apple': 5, 'banana': 6, 'cherry': 6}

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

Source: datacamp.com

Python dict comprehension

>>> {x: x**2 for x in (2, 4, 6)}
{2: 4, 4: 16, 6: 36}

Source: docs.python.org

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