python dict list comprehension code example

Example 1: create dictionary comprehension python

{key:value for key in iterable}

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 python

keys=['var1','var2','var3']
my_dict={key:np.zeros(10) for key in keys}