def to_camel_case(uv: str) -> str:
    """
    Convert an underscore variable to a camel case variable

    Args:
        uv: The underscore variable

    Returns:
        str: The camel case variable.
    """
    ccv = ''
    capitalize = False
    for char in uv:
        if char != '_':
            ccv += char.capitalize() if capitalize else char
            capitalize = False
        else:
            capitalize = True
    return ccv