Remove all elements from the dictionary whose key is an element of a list

Question

How do you remove all elements from the dictionary whose key is a element of a list?

Answer 1

[Note: This is not direct answer but given earlier speculation that the question looks like homework. I wanted to provide help that will help solving the problem while learning from it]

Decompose your problem which is:

1. How to get a element from a list
2. How to delete a key:value in dictionary

Further help:

How do get all element of a list on python?

For loop works on all sequences and list is a sequence.

for key in sequence: print key

How do you delete a element in dictionary?

use the del(key) method.

• http://docs.python.org/release/2.5.2/lib/typesmapping.html

You should be able to combine the two tasks.

Answer 2

for key in list_:
    if key in dict_:
        del dict_[key]