Dear developers How can I find out if a Python variable contains a string or a list of strings. Both is possible, but needs to be handled differently. Any suggestions. Thanks and best regards Sam -- Samuel Schluep, Institut für Hygiene und Arbeitsphysiologie, ETH Zürich +41 1 632 74 24 | schluep at iha.bepr.ethz.ch | http://www.iha.bepr.ethz.ch