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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def field2ap_corr(field):
 """Determine amplitude and offset-corrected phase from a field The phase jumps sometimes appear after phase unwrapping. Parameters field: 2d complex np.ndarray Complex input field Returns ------- amp: 2d real np.ndarray Amplitude data pha: 2d real np.ndarray Phase data, corrected for 2PI offsets """

    phase = unwrap.unwrap_phase(np.angle(field), seed=47)
    samples = []
    samples.append(phase[:, :3].flatten())
    samples.append(phase[:, -3:].flatten())
    samples.append(phase[:3, 3:-3].flatten())
    samples.append(phase[-3:, 3:-3].flatten())
    pha_offset = np.median(np.hstack(samples))
    num_2pi = np.round(pha_offset / (2 * np.pi))
    phase -= num_2pi * 2 * np.pi
    ampli = np.abs(field)
    return ampli, phase