append « dictionary « Python Data Type Q&A

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Python Data Type Q&A » dictionary » append

1. Python: deep appending to dictionary? - in a single expression stackoverflow.com

How do I, in a single expression, get a dictionary where one key-value pair has been added to a sub-dictionary in some input dictionary? The input dictionary should be left unchanged. It ...

2. appending successfully to a python list stackoverflow.com

This may seem like the worlds simplest python question... But I'm going to give it a go of explaining it. Basically I have to loop through pages of json results from a ...

3. Is there an easy way to "append()" two dictionaries together in Python? stackoverflow.com

If I have two dictionaries I'd like to combine in Python, i.e.

a = {'1': 1, '2': 2}
b = {'3': 3, '4': 4}

If I run update on them it reorders the list:

a.update(b)
{'1': ...

4. append multiple values for one key in Python dictionary stackoverflow.com

I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a ...

5. python: appending values to dictionary stackoverflow.com

i have a dictionary to which i want to append to each drug a list of numbers. like this:

append(0), append(1234), append(123).......

def make_drug_dictionary(data):
  drug_dictionary={'MORPHINE':[],
        ...

6. Python appending dictionary, TypeError: unhashable type? stackoverflow.com

abc = {}
abc[int: anotherint]

Then the error came up. TypeError: unhashable type? Why I received this? I've tried str()

7. Appending at run-time to a dictionary stackoverflow.com

I have a function named OpenAccount() which takes in the details from the User and appends it to my database dictionary. I have a database file(module) which is imported in my function ...

8. Create or append to a list in a dictionary - can this be shortened? stackoverflow.com

Can this Python code be shortened and still be readable using itertools and sets?

result = {}
for widget_type, app in widgets:
    if widget_type not in result:
    ...

9. Why doesn't append() work correctly with a dictionary created via zip() with empty lists as values? stackoverflow.com

Dictionary d works fine, as expected,

In [335]: d={1:[], 2:[]}

In [336]: d[1].append('word')

In [337]: d

Out[337]: {1: ['word'], 2: []}

But dz, which looks identical to d, doesn't work correctly.

In [339]: dz=dict(zip([1,2],[[]]*2))

In [340]: dz

Out[340]: {1: ...

10. Python: Appending to a list in a dictionary stackoverflow.com

SO, Having a case of the Monday's and none of my references are helping me out. I have a file formatted like this:

x1    y1    z1
x1   ...

11. python: Appending a dictionary to a list - I see a pointer like behavior stackoverflow.com

I tried the following in the python interpreter:

>>>
>>> a = []
>>> b = {1:'one'}
>>> a.append(b)
>>> a
[{1: 'one'}]
>>> b[1] = 'ONE'
>>> a
[{1: 'ONE'}]
>>>

Here, after appending the dictionary 'b' to the list 'a', ...

12. append to a dictionary in python stackoverflow.com

My problem is this, i need to try to create a dictionary that will hold the count values of each cluster from a dataset i am using. I want my programme to ...

13. Keeps only one entry instead of appending to the dictionary stackoverflow.com

I want to take person's name and their phone number from the end user and append to a dictionary. I started with an empty dictionary. After first user inputs the data, the ...

14. Adding dictionaries together, Python stackoverflow.com

I have two dictionaries and I'd like to be able to make them one: Something like this pseudo-Python would be nice:

dic0 = {'dic0': 0}
dic1 = {'dic1': 1}

ndic = dic0 + dic1
# ndic ...

15. Python add new item to dictionary stackoverflow.com

I try to add item to my already filled dictionary in python. Let say this is my dict :

default_data = {
           ...

16. How to append lists in a dictionary in Python? stackoverflow.com

Hey everyone this code is working fine just one thing to deal with. It overwrites the multiple entries against a key. I need to avoid the overwriting and to save all ...

17. Appending something to a list within a dict within a list in Python stackoverflow.com

I am attempting to create a list of dicts which will have the following structure:

[
    {
        'id': '234nj233nkj2k4n52',
    ...