lis = ['66.709', '67.016', '67.357', '67.897', '67.597', '67.098', '67.677', '67.752', '67.358', '67.828', '68.243', '68.157', '67.099', '67.891', '67.665', '67.947', '67.088', '67.964', '67.394', '67.818', '67.193', '67.438', '67.428', '67.495', '67.346', '67.198', '67.081', '67.451', '67.362', '67.17', '66.582', '67.29', '66.936', '66.315', '66.682', '66.733', '66.963', '67.228', '67.5', '67.346', '67.16', '67.263', '67.135', '66.654', '66.548', '66.785', '66.675', '66.383', '66.582', '66.254', '66.336']
print(max(lis))

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