How to Convert String Values to Objects in a Python List?

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To convert string values to objects in a Python list, you’ll need to perform some form of deserialization. The specific approach will depend on the format of the string representation of the objects. Here are a few common scenarios:

  1. JSON: If the string values represent objects in JSON format, you can use the json module in Python to convert them back to objects. Here’s an example:
import json

string_list = ['{"name": "John", "age": 30}', '{"name": "Jane", "age": 25}']
object_list = [json.loads(s) for s in string_list]

In this example, the json.loads() function is used to deserialize each string into a Python dictionary.

  1. Pickle: If the string values are pickled objects, you can use the pickle module to convert them back to objects. Here’s an example:
import pickle

string_list = ['\x80\x04\x95\x1a\x00\x00\x00\x00\x00\x00\x00}\x94(\x8c\x04name\x94\x8c\x04John\x94\x8c\x03age\x94K\x1e\x86\x94.', '\x80\x04\x95\x18\x00\x00\x00\x00\x00\x00\x00}\x94(\x8c\x04name\x94\x8c\x04Jane\x94\x8c\x03age\x94K\x19\x86\x94.']
object_list = [pickle.loads(s.encode()) for s in string_list]

In this example, the pickle.loads() function is used to deserialize each string into a Python object.

  1. Custom format: If you have a custom string representation format for your objects, you’ll need to implement your own deserialization logic. You can iterate over the list of strings and convert them to objects manually. Here’s a simplified example:
string_list = ['John,30', 'Jane,25']
object_list = []

for s in string_list:
    parts = s.split(',')
    name = parts[0]
    age = int(parts[1])
    obj = {'name': name, 'age': age}
    object_list.append(obj)

In this example, each string is split into its components (name and age) using the split() method, and a dictionary object is created for each string.

These are just a few examples of how you can convert string values to objects in a Python list. The approach will depend on the specific format of your string representations.

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