Comment by saadq

Not really a fan of the lambda syntax in Python. Comparison:

JavaScript:

  let arr = [1, 2, 3]
  let sumOfSquares = arr.map(n => n * n).reduce((a, b) => a + b) // 14

Python:

  arr = [1, 2, 3]
  sum_of_squares = reduce(lambda a, b: a + b, map(lambda n: n * n, arr)) # 14