code: def to_lower_camel_case(snake_case_str):
      """Converts snake_case to lowerCamelCase.
  
      Example
      -------
          foo_bar -> fooBar
          fooBar -> foobar
  
      """
      words = snake_case_str.split("_")
      if len(words) > 1:
          capitalized = [w.title() for w in words]
          capitalized[0] = words[0]
          return "".join(capitalized)
      else:
          return snake_case_str
  
imports: import re
label_desc: Use image node_id 2 for calling a global function with example usage: to_lower_camel_case(snake_case_str) and returns: str, snake_case_str