code: def main():
      pipeline = generate_pipeline()
      show_default(pipeline)
      show_customized(pipeline)
      show_custom_colors(pipeline)
      show_complex_colors(pipeline)
      show_complex_colors(
          PipelineBuilder(*pipeline.nodes).add_node("xgboost").build()
      )
      show_pyvis(pipeline)
      show_pyvis_custom_colors(pipeline)
      try:
          import graphviz
  
          show_graphviz(pipeline)
          show_graphviz_custom_colors(pipeline)
      except ImportError:
          default_log().info(
              "Either Graphviz or pygraphviz is not installed. Skipping visualizations."
          )
  
file_path: FEDOT/examples/simple/pipeline_visualization.py
imports: from golem.core.log import default_log
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.core.pipelines.pipeline_builder import PipelineBuilder
label_desc: Use image node_id 10 for calling a global function with example usage: main() without return types