code: def main():
      x = Symbol("x")
      y = Symbol("y")
  
      a = MatrixSymbol("a", 1, 1)
      b = MatrixSymbol("b", 1, 1)
      c = MatrixSymbol("c", 1, 1)
  
      pprint(x**x)
      print("\n")  # separate with two blank lines
  
      pprint(x**2 + y + x)
      print("\n")
  
      pprint(sin(x) ** x)
      print("\n")
  
      pprint(sin(x) ** cos(x))
      print("\n")
  
      pprint(sin(x) / (cos(x) ** 2 * x**x + (2 * y)))
      print("\n")
  
      pprint(sin(x**2 + exp(x)))
      print("\n")
  
      pprint(sqrt(exp(x)))
      print("\n")
  
      pprint(sqrt(sqrt(exp(x))))
      print("\n")
  
      pprint((1 / cos(x)).series(x, 0, 10))
      print("\n")
  
      pprint(a * (KroneckerProduct(b, c)))
      print("\n")
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types