Add brackets to print command to make compile with python 3

dune/fufem/test/dunepythontest.cc

@@ -60,7 +60,7 @@ int main(int argc, char** argv)
     std::cout << std::endl;
     std::cout << "Example  1: Execute a single line of python code *******************************" << std::endl;
     {
-        pyMain.run("print 'Hello world!'");
+        pyMain.run("print('Hello world!')");
     }
 
 
@@ -75,7 +75,7 @@ int main(int argc, char** argv)
             << std::endl << "    def __init__(self, s):"
             << std::endl << "        self.s=s"
             << std::endl << "    def f(self):"
-            << std::endl << "        print self.s"
+            << std::endl << "        print(self.s)"
             << std::endl << ""
             << std::endl << "a=A('Hello world!')"
             << std::endl << "a.f()";
@@ -202,7 +202,7 @@ int main(int argc, char** argv)
             << std::endl << "try:"
             << std::endl << "    import mymodule"
             << std::endl << "except:"
-            << std::endl << "    print 'mymodule was not found!'"
+            << std::endl << "    print('mymodule was not found!')"
             << std::endl;
 
         // Create a new module not contained in a file
@@ -219,11 +219,11 @@ int main(int argc, char** argv)
         // Now we can import the new module into other module, e.g., main
         // using its name.
         pyMain.import("mymodule");
-        pyMain.run("print mymodule.f(mymodule.a, mymodule.b)");
+        pyMain.run("print(mymodule.f(mymodule.a, mymodule.b))");
 
         // You can also import a Module by giving another name.
         pyMain.importAs(myModule, "mymodule2");
-        pyMain.run("print mymodule2.f(mymodule.a, mymodule.b)");
+        pyMain.run("print(mymodule2.f(mymodule.a, mymodule.b))");
     }
 
 
@@ -275,7 +275,7 @@ int main(int argc, char** argv)
         pyMain.set("result", Python::evaluate("2+3"));
 
         // Now the name 'result' in __main__ holds a reference to the new result object.
-        pyMain.run("print result");
+        pyMain.run("print(result)");
     }
 
 
@@ -461,7 +461,7 @@ int main(int argc, char** argv)
         pyMain.set("v", v);
 
         // Let python print the content of the list.
-        pyMain.run("print v");
+        pyMain.run("print(v)");
     }
 
 
@@ -515,7 +515,7 @@ int main(int argc, char** argv)
 
         // You can now also call the function in python directly...
         std::cout << "Result of evaluating the created function g in python directly: ";
-        pyMain.run("print g(2)");
+        pyMain.run("print(g(2))");
 
         // ... or by calling it manually.
         std::cout << "Result of evaluating the created function g in python manually through the C++ interface: ";