code: def to_camel_case(snake_str):
      components = snake_str.split("_")
      # We capitalize the first letter of each component except the first one
      # with the 'title' method and join them together.
      return components[0] + "".join(
          x.title() if x else "_" for x in components[1:]
      )
  
imports: import re
label_desc: Use image node_id 1 for calling a global function with example usage: to_camel_case(snake_str) and returns: unknown