st.button(label, key=None, help=None, on_click=None, args=None, kwargs=None)
A short label explaining to the user what this button is for.
key (str or int)
An optional string or integer to use as the unique key for the widget. If this is omitted, a key will be generated for the widget based on its content. Multiple widgets of the same type may not share the same key.
An optional tooltip that gets displayed when the button is hovered over.
An optional callback invoked when this button is clicked.
An optional tuple of args to pass to the callback.
An optional dict of kwargs to pass to the callback.
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