changing plotting functions in tutorial

Author: mclarke2

Regional_Jet_Optimization/Optimize.py

@@ -43,8 +43,8 @@ def main():
     #output = scipy_setup.SciPy_Solve(problem,solver='SLSQP')
     #print output        
 
-    print ('fuel burn = ', problem.summary.base_mission_fuelburn)
-    print ('fuel margin = ', problem.all_constraints())
+    print('fuel burn = ', problem.summary.base_mission_fuelburn)
+    print('fuel margin = ', problem.all_constraints())
 
     Plot_Mission.plot_mission(problem)
 
@@ -155,4 +155,4 @@ def variable_sweep(problem):
     return
 
 if __name__ == '__main__':
-    main()
+    main()