The quotename function in the hana_ml.dataframe module escapes a schema, table, or column name for use in SQL, returning the escaped name surrounded in quotation marks with existing quotation marks escaped by doubling them.
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Here is a Python code template for the `quotename` function in the `hana_ml.dataframe` module:

```python
# Import the required module
import hana_ml.dataframe

# Define the schema, table, or column name
name = "your_schema_table_or_column_name"

# Use the quotename function to escape the name for use in SQL
escaped_name = hana_ml.dataframe.quotename(name)

# Print the escaped name
print(escaped_name)
```

Please replace `"your_schema_table_or_column_name"` with your actual schema, table, or column name. The `quotename` function will return the escaped name, which is surrounded in quotation marks, and existing quotation marks are escaped by doubling them.