I'm learning about higher-order functions, specifically lambda functions in Python. I understand lambda functions to an extent, but a little confused about this lambda higher-order function example. Why am I getting 6 as the output, I'm just trying to understand this mathematically >>> high_ord_func = lambda x, func: x + func(x) >>> high_ord_func(2, lambda x: x * x) 6 I got this problem from Real Python article. Please, I just want to make sense of this, thank you Continue reading...