Python Working with JSON

Code examples from Python Tutorial - Lesson 18: Working with JSON.

Files

File	Description
json_basics.py	JSON serialization with dumps, parsing with loads, pretty printing, type mappings
json_files.py	Reading and writing JSON files with dump and load
data_manager.py	Mini project: contact manager with custom datetime serializer

Running

python3 json_basics.py
python3 json_files.py
python3 data_manager.py

Topics Covered

• json.dumps() - Convert Python objects to JSON strings
• json.loads() - Parse JSON strings to Python objects
• json.dump() - Write JSON directly to files
• json.load() - Read JSON directly from files
• Pretty printing with indent parameter
• Type mappings: True/true, None/null, False/false
• Custom serializers with the default parameter
• Handling datetime objects in JSON