WilsonGramer

//
// Combine Strings by Lines
// Wilson Gramer
// July 10, 2018
//

import Foundation

/// Combines the input (multiline) strings by line, so that the first line of every
/// string in the input is combined into the first line of the output, and so on.

WilsonGramer

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WilsonGramer

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WilsonGramer

# a_n = a_1 + (n - 1)d
# this function assumes that there is a constant slope!
# in the function used, the underscore ('_') defines the 'sub' value of a.
def explicitFormula(set, n):
  print('The set is ' + str(set) + '.')
  
  if len(set) > 1:
  
    d = set[1] - set[0] # gets the slope.