
    Develop a function for the learning management system that converts student learning metrics and preference identifiers from the assessment database's snake_case format to camelCase notation required by the adaptive learning engine. The function should handle any valid snake_case string containing student performance indicators or learning style preferences, transforming identifiers like "visual_learning_score" to "visualLearningScore" while maintaining the original meaning and sequence of words.
    

    
def snake_to_camel(word):
    """
    Develop a function for the learning management system that converts student learning metrics and preference identifiers from the assessment database's snake_case format to camelCase notation required by the adaptive learning engine. The function should handle any valid snake_case string containing student performance indicators or learning style preferences, transforming identifiers like "visual_learning_score" to "visualLearningScore" while maintaining the original meaning and sequence of words.
    

    """
import re

def snake_to_camel(word):
    """
    Develop a function for the learning management system that converts student learning metrics and preference identifiers from the assessment database's snake_case format to camelCase notation required by the adaptive learning engine. The function should handle any valid snake_case string containing student performance indicators or learning style preferences, transforming identifiers like "visual_learning_score" to "visualLearningScore" while maintaining the original meaning and sequence of words.
    

    """
    return ''.join((x.capitalize() or '_' for x in word.split('_')))