Quantum Computing, Entanglement, Quantum Physics, Information Theory, Qiskit.
qc1.h(0) qc1. cx(0,1) qc1. barrier() # entangled the ist two qubits so that they behave Like a single particle qc1.h (2) qc1. cx (2,3) qc1.barrier() # entangled the last two qubits so that they behave Like a single paricle qc1.h(0) qc1.cx (0,2) qc1. barrier() # entangling the first quantum property