Summing Values the Pythonic Way With sum()

Python’s built-in function sum() is an efficient and Pythonic way to sum a list of numeric values. Adding several numbers together is a common intermediate step in many computations, so sum() is a pretty handy tool for a Python programmer.

As an additional and interesting use case, you can concatenate lists and tuples using sum(), which can be convenient when you need to flatten a list of lists.

In this video course, you’ll learn how to:

  • Sum numeric values by hand using general techniques and tools
  • Use Python’s sum() to add several numeric values efficiently
  • Concatenate lists and tuples with sum()
  • Use sum() to approach common summation problems
  • Use appropriate values for the arguments in sum()
  • Decide between




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