main.py

from pymongo import MongoClient

SOURCE_DB_URL = ""
DESTINATION_DB_URL = ""

# Connect to the source database
source_client = MongoClient(SOURCE_DB_URL)
source_db = source_client['My_DB']
source_collection = source_db['users']

# Connect to the destination database
destination_client = MongoClient(DESTINATION_DB_URL)
destination_db = destination_client['My_DB']
destination_collection = destination_db['users']

# Fetch data from the source collection
data_to_transfer = source_collection.find()

if data_to_transfer:
    # Transfer data to the destination collection
    destination_collection.insert_many(data_to_transfer)
    print("Database users' data transferred.")
else:
    print("Database data not found & No data to transfer.")

# Close the database connections
source_client.close()
destination_client.close()