quantile_percentiles.py

def quantile_percentiles(quantile_count: int = 5) -> list:
    """Return quantile percentile values for a given number of quantiles.
    
    Args:
        quantile_count (int): Number of quantiles to generate percentile values for (default 5)
        
    Returns:
        list: Equally spaced quantile percentile values based on quantile_count
        
    Examples:
        
        >>> print(quantile_percentiles(10))
        [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9]
    """
    #######################
    ## INPUT VALUE TESTS ##
    #######################
    if not isinstance(quantile_count, int):
        raise TypeError("quantile_count must be an integer greater than 0")
    if quantile_count < 1:
        raise ValueError("quantile_count must be an integer greater than 0")
    
    ######################
    ## FUNCTION PROCESS ##
    ######################
    quantile_percentiles = []
    
    percentile_interval = (100 / quantile_count)
    percentile_value = percentile_interval
    
    while percentile_value < 100:
        quantile_percentiles.append(percentile_value / 100)
        percentile_value+=percentile_interval
    return quantile_percentiles