Convert a list to a dictionary in Python

Question

Let\'s say I have a list a in Python whose entries conveniently map to a dictionary. Each even element represents the key to the dictionary, and the following o

Answer 1

You can use a dict comprehension for this pretty easily:

a = ['hello','world','1','2']

my_dict = {item : a[index+1] for index, item in enumerate(a) if index % 2 == 0}

This is equivalent to the for loop below:

my_dict = {}
for index, item in enumerate(a):
    if index % 2 == 0:
        my_dict[item] = a[index+1]