Feb 13, 2025 · The task of creating a Python dictionary from a text file involves reading its contents, extracting key-value pairs and storing them in a dictionary. Text files typically use delimiters like ':' or ',' to separate keys and values.

Mar 26, 2017 · The technique is to use file.readline() to extract a line at a time. Use str.split() to break it into keys (whether you need an explicit delimiter or not depends on your data). Once the keys and values are obtained, zip() them together and call dict() to make the final dictionary:

Sep 30, 2017 · d = {} file = open("filename.txt") for x in file: f = x.split("=") d.update({f[0].strip(): f[1].strip()}) By using strip method any spaces before or after the "=" separator are removed and you will have the expected data in dictionary format

I want to make a dictionary with key = the word (like 'aaien') and the value should be a list of the numbers that are next to it. So it has to look this way: {'aaien': ['12, 13, 39'], 'aan': ['10']} This code doesn't seem to work.

Learn how to create a Python dictionary from a text file with this step-by-step guide and example code.

Apr 1, 2025 · The task of creating a dictionary in Python involves storing key-value pairs in a structured and efficient manner, enabling quick lookups and modifications. A dictionary is an unordered, mutable data structure where each key must be unique and immutable, while values can be of any data type.

Nov 12, 2021 · We can read a dictionary from a file in 3 ways: Using the json.loads() method : Converts the string of valid dictionary into json form. Using the ast.literal_eval() method : Function safer than the eval function and can be used for interconversion of all data types other than dictionary as well.

Jun 5, 2024 · To write a dictionary to a text file, we need to follow a few steps: Create a dictionary with some key-value pairs. Open a file in write mode using the open() function. Convert the dictionary to a string using the str() function. Write the string representation of the dictionary to the file using the write() method. Close the file using the ...

May 27, 2022 · Learn how to create dictionaries in Python from many different sources, including reading from JSON files and combining two dictionaries. So, you've already figured out how to use dictionaries in Python. You know all about how dictionaries are mutable data structures that hold key-value pairs.

Jan 24, 2013 · This will create a dictionary with integers for keys, and strings for values: with open ('LIWC_categories.text','rU') as document1: categoriesLIWC = {} for line in document1: line = line.strip() if not line: continue key, value = line.split(':') if key.isdigit(): categoriesLIWC[int(key)] = value else: categoriesLIWC[key] = value