from qiskit.circuit import QuantumCircuit,\
                           ParameterVector

theta = ParameterVector('θ', 3)

qc = QuantumCircuit(3)
qc.h([0,1,2])
qc.p(theta[0],0)
qc.p(theta[1],1)
qc.p(theta[2],2)

qc.draw()

import math

b_qc = qc.bind_parameters({theta: [math.pi/8,
                                    math.pi/4,
                                    math.pi/2]})

b_qc.draw()