
    Write a function that converts learning activity names from the database format (snake_case) to a student-friendly display format (camelCase) for the personalized learning dashboard. The function should take a learning activity identifier like "reading_comprehension_test" and transform it to "readingComprehensionTest" while preserving all meaningful parts of the activity name.
    

    
def snake_to_camel(word):
    """
    Write a function that converts learning activity names from the database format (snake_case) to a student-friendly display format (camelCase) for the personalized learning dashboard. The function should take a learning activity identifier like "reading_comprehension_test" and transform it to "readingComprehensionTest" while preserving all meaningful parts of the activity name.
    

    """
import re

def snake_to_camel(word):
    """
    Write a function that converts learning activity names from the database format (snake_case) to a student-friendly display format (camelCase) for the personalized learning dashboard. The function should take a learning activity identifier like "reading_comprehension_test" and transform it to "readingComprehensionTest" while preserving all meaningful parts of the activity name.
    

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