How to create an adjacency matrix in Python?

Excuse me, could you please explain in a step-by-step manner how to create an adjacency matrix in Python? I'm particularly interested in understanding the basics of how to set up the matrix and what libraries or functions are commonly used to accomplish this task. I'm also curious about any potential challenges or nuances that one should be aware of when working with adjacency matrices in Python. Thank you in advance for your insights and guidance.