dump.py

import json

colors = [
    {
        "name": "RED",
        "foundIn": "soil"
    },
    {
        "name": "GREEN",
        "foundIn": "forest"
    },
    {
        "name": "Blue",
        "foundIn": "sky"
    }
]

# file pointer to a new file colors.json
fp = open("colors.json", "w")
"""
Saves below content to file: colors.json.

[
  {
    "name": "RED",
    "foundIn": "soil"
  },
  {
    "name": "GREEN",
    "foundIn": "forest"
  },
  {
    "name": "Blue",
    "foundIn": "sky"
  }
]
"""
json.dump(colors, fp, indent=2)