# lab05.py

import numpy as np
import matplotlib.pyplot as plt

# -----------------------------------------------------
# Computer Science, Lab 05
# May 2022
# Your Name
# -----------------------------------------------------

def read_file(name):
    input_file = open(name, "r")
    number_buckets = int(input_file.readline())
    total_counties = int(input_file.readline())

    county_populations = np.zeros([total_counties], dtype="int")
    for county_number in range(total_counties):
        line = input_file.readline().split(",")
        county_populations[county_number] = int(line[1])
    county_populations.sort()
    input_file.close()

    return number_buckets, county_populations

# -----------------------------------------------------

def print_summary(averages):
    print("Population Grouping Summary")
    print("---------------------------")
    for grouping in range(len(averages)):
        print("Grouping", grouping + 1, "has a population average of",
              averages[grouping])

# -----------------------------------------------------
# Do not change anything above this line
# -----------------------------------------------------

def calculate_averages(number_buckets, county_populations):
    pass

# -----------------------------------------------------

def graph_summary(averages):
    pass

# -----------------------------------------------------

number_buckets, county_populations = read_file("montana-counties.txt")
averages = calculate_averages(number_buckets, county_populations)
print_summary(averages)
graph_summary(averages)