updated documentation

Author: benjione

docs/source/examples/create_and_measure.rst

@@ -4,12 +4,15 @@ Create Qubit and Measure
 ..  code-block:: python
     :linenos:
 
-    import eqsn
+    from eqsn import EQSN
+
+    # create the EQSN control object
+    eqsn = EQSN()
 
     # Create a Qubit with id A
     eqsn.new_qubit('A')
 
     # Measure the Qubit with id A
     m = eqsn.measure('A')
-    
+
     print("Measured Qubit with id 'A' with result %d." % m)

docs/source/examples/epr_creation.rst

@@ -6,7 +6,10 @@ Below, an example is shown, how an EPR state can be created.
 ..  code-block:: python
     :linenos:
 
-    import eqsn
+    from eqsn import EQSN
+
+    # create EQSN control object
+    eqsn = EQSN()
 
     # Create two Qubits, with ids A and B
     eqsn.new_qubit('A')
@@ -21,5 +24,5 @@ Below, an example is shown, how an EPR state can be created.
     # Measure both Qubits
     m1 = eqsn.measure('A')
     m2 = eqsn.measure('B')
-    
+
     print("measured %d and %d." % (m1, m2))