What is the change in Intangible assets, net between 2018 and 2019?
{"Customer relationships": {"2019": 336455, "2018": 159566}, "Other": {"2019": 15621, "2018": 5555}, "": {"2019": 352076, "2018": 165121}, "Accumulated amortization": {"2019": -73492, "2018": -52942}, "Intangible assets, net": {"2019": 278584, "2018": 112179}}
intangible_assets_net_2019 = df["Intangible assets, net"]["2019"]
intangible_assets_net_2018 = df["Intangible assets, net"]["2018"]
answer = intangible_assets_net_2019 - intangible_assets_net_2018