`my_dict[“key”] = “value”`
`my_dict.update({“key”: “value”})`
`my_dict.update(key=”value”)`
`my_dict.setdefault(“key”, “value”)`
`my_dict |= {“key”: “value”}`
`my_dict[“new_key”] = new_value`
`my_dict.update(existing_dict)`
`my_dict.update([(“key1”, “value1”), (“key2”, “value2”)])`