I’m creating a car sales program and need to use a dictionary, I have a basic understanding of them. Would it be efficient to hold the car name as a string for the key, then store the relevant cars selling price in the values through a list? for example, Can this work? Is there a better usage for the dictionary?
Tag: dictionary
How to remove array from values in a dictionary
I have the following dictionary But I’d like to remove the lists so it looks like this: Is there a simple way to do this? I think I might be able to iterate through and remove the list. Thanks Answer In order to produce the required output you will need a list (set) of keys that should not be modified.
Python: Safe dictionary access with lists?
Is there an exception free way to access values from a dictionary containing lists. For example, if I have: How do I access the path data[‘object_1’][‘object_2’][‘list’][0][‘property’] safely(i.e. return some default value if not possible to access without throwing error)? I am trying to avoid wrapping these in try-except’s. I have seen the reduce based approach but it doesn’t take into
How to compare items with values of list of dict in python
I have a output list of dicts: Above data contains info about the attribute i.e. Current NAV Amount Requested, its value and its status. I have a below input list of dict: I have to compare the value of Current NAV and Amount Requested from fieldValList with outList so that I get the output of how many values from outList
When does a HashTable / Python dict stop probing?
In Java I’m building a datastructure that is supposed to resemble dictionaries in Python. (As far as I understand this is called a “HashTable” in java context.) I have read the following Python documentation in order to arrive at the probing function (as I wished to prevent using linear probing) Now I have come to a point where Im trying
how to print everything from a dictionary?
I’m trying to do this question for class that is really confusing me, I can’t seem to figure it out. They give me this code and say that I need to do something to make it print all of the flowers in the dictionary instead of printing just one. Here is the code that is provided, which just prints one
How to update key of dictionary inside a JSON file?
This is an example of what’s in my JSON file: How would I change the male’s key (which is 0) and add one using “+=” in python? I wan a command to update the key of male or female. I don’t want to CHANGE 0 into 1, but I want to “+=” to that 0 so that I can update
Parse pandas series with a list of dicts into new columns
I have a pandas series containing a list of dictionaries. I’d like to parse the contents of the dicts with some condition and store the results into new columns. Here’s some data to work with: I’d like to parse the contents of each dictionary with some conditional logic. Check for each dicts in the list and name columns as keys
check if numeric element is in an interval key dictionary in python
from the following dictionary with tuple as keys and a string as value: by using the dict, how would be possible to use a function with the following behaviour? gives the following output: Answer If you expect age to be within multiple intervals and you want to get them all: I have added an overlapping interval to your data If
Create a customised pandas dataframe from items in a dictionary
I want to create a customised pandas DataFrame from items in dictionary. For example I can convert a dictionary to a DataFrame using pandas’ from_dict() function: To produce a DataFrame such as below: However what I want is to have only 2 columns, such as below, where the word column returns the dictionary keys and count column returns a count