code: def main():
      with wandb.init() as run:
          artifact = wandb.Artifact(
              "my_artifact", type="unicode_artifact"
          )
          with artifact.new_file(
              "euler.txt", mode="w", encoding="utf-8"
          ) as f:
              f.write("e^(iπ)+1=0")
  
          run.log_artifact(artifact)
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types