The `hasZ` function in the `qgis.core.QgsWkbTypes` module is used in Python to check whether a specific geometry type supports Z-coordinates or not. Z-coordinates represent the vertical position of a point within a three-dimensional space. The function returns a boolean value, `True` if the geometry type supports Z-coordinates, and `False` otherwise. Its purpose is to assist in determining whether a particular geometry should be treated as three-dimensional in QGIS applications.
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