<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def load_profile(ctx, variant_file, update, stats, profile_threshold):
 """ Command for profiling of samples. User may upload variants used in profiling from a vcf, update the profiles for all samples, and get some stats from the profiles in the database. Profiling is used to monitor duplicates in the database. The profile is based on the variants in the 'profile_variant' collection, assessing the genotypes for each sample at the position of these variants. """


    adapter = ctx.obj['adapter']

    if variant_file:
        load_profile_variants(adapter, variant_file)

    if update:
        update_profiles(adapter)

    if stats:

        distance_dict = profile_stats(adapter, threshold=profile_threshold)
        click.echo(table_from_dict(distance_dict))