37 Test file number 197

  37.1 Problem number 5
  37.2 Problem number 6
  37.3 Problem number 7
  37.4 Problem number 8
  37.5 Problem number 24

Test folder name:

test_cases/7_Inverse_hyperbolic_functions/7.3_Inverse_hyperbolic_tangent/197_7.3.7_Inverse_hyperbolic_tangent_functions