Python - Create a dictionary out of a nested lists

Question

I am currently working on a task, where I should make trading decisions on the base of MA Crossovers.

I am thinking about an approach which involves a dictionary, however, I am still really inexperienced in how to create those.

My idea is to convert a list like following:

cross = [[2, 2], [3, 1], [6, 2], [9, 1], [12, 1]]

where: [time_index, buy_index]

such that, it leaves me with a directory like

{'0': 0, '1':0, '2':2, ... , '12':1 }

The values 0, 1, 2 are standing for: do nothing, buy and sell respectively.

Any help, idea or source to gather knowledge from is super appreciated!

This isn't really an SO question, and it's "dictionary" rather than "directory". Is there some specific thing you need help with? — SuperStew, Sep 17 '18 at 18:42

score 0 · Answer 1 · answered Sep 17 '18 at 18:45

You can use a f-string to bring in those quotes to your key

cross = [[2, 2], [3, 1], [6, 2], [9, 1], [12, 1]] 

new_dict = {}
new_dict['0'] = 0
new_dict['1'] = 1

for i in cross:
    new_dict[f'"{i[0]}"'] = i[1] 

print(new_dict)

(xenial)vash@localhost:~/python/stack_overflow$ python3.7 nest_dict.py 
{'0': 0, '1': 1, '"2"': 2, '"3"': 1, '"6"': 2, '"9"': 1, '"12"': 1}

Python - Create a dictionary out of a nested lists

1 Answers1