def create_sample_tallying_dict(samples_list):

    """

    Creats a tallying dictionary for the samples used ONLY
    for "testable" variants global file

    : Param samples_list: List of the samples

    : Return tallying_dict: Empty dictionary to store
        all the values

    """

    # Create dictionary
    tallying_dict = {}

    # Loop over the samples list
    for sample in samples_list:

        # Add entry to dictionary
        tallying_dict.update({sample: {'total_count': 0, 'testable_biallelic': 0}})

    return(tallying_dict)