You can download the <a target="_blank" href="https://github.com/Azad77/Python_qgis/blob/main/Data/Countries.zip">data</a> that we are using.
Then, get the path of the shapefile

<pre><code>uri = "D:/Python_QGIS/data/Countries.shp"
</code></pre>The format is:
vlayer = iface.addVectorLayer(data_source, layer_name, provider_name)

<pre><code>iface.addVectorLayer(uri, "countries", "ogr")
</code></pre>

You can download the [data](https://github.com/Azad77/Python_qgis/blob/main/Data/Countries.zip) that we are using.


Then, get the path of the shapefile

```
uri = "D:/Python_QGIS/data/Countries.shp" 
``` 


The format is:
vlayer = iface.addVectorLayer(data_source, layer_name, provider_name)

```
iface.addVectorLayer(uri, "countries", "ogr")
```

4- Loading a vector layer

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SmartRS

SmartRS

4- Loading a vector layer