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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 load_csr(pem_path):
 """Load CSR from PEM encoded file"""

    with open(pem_path, "rb") as f:
        return cryptography.x509.load_pem_x509_csr(
            data=f.read(), backend=cryptography.hazmat.backends.default_backend()
        )