<p>➀ Python is widely used in IoT due to its simplicity and versatility. It is easy to learn and use, has cross-platform compatibility, and a large community that contributes to IoT development.</p><p>➁ Python offers various modules for IoT programming, including those for Raspberry Pi and Arduino, which are popular controller boards for hardware projects.</p><p>➂ Using Python, developers can interact with IoT devices and systems, facilitating the development of applications across various domains such as home automation, healthcare, and industrial control.</p>