code: def test_Limits_simple_4c():
      assert limit(log(1 + exp(x)) / x, x, -oo) == 0  # 267a
      assert limit(log(1 + exp(x)) / x, x, oo) == 1
  
imports: from sympy.core.numbers import Rational, oo, pi
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol
  from sympy.functions.elementary.exponential import exp, log
  from sympy.functions.elementary.miscellaneous import root, sqrt
  from sympy.functions.elementary.trigonometric import asin, cos, sin, tan
  from sympy.polys.rationaltools import together
  from sympy.series.limits import limit
label_desc: Use image node_id 12 for calling a global function with example usage: test_Limits_simple_4c() without return types