def print_basic_results(df):
    """Prints the important results from the input dataframe."""

    min_cost = min(df['Total Cost per kg H2'])
    mindex = df.index.values[df['Total Cost per kg H2'] == min_cost]
    cheapest_source = (df['Latitude'][mindex], df['Longitude'][mindex])
    cheapest_medium = df['Cheapest Medium'][mindex]
    cheapest_elec = df['Cheaper source'][mindex]

    print('Minimum cost: ' + str(min_cost))
    print('Cheapest source: ' + str(cheapest_source[0]) + ', ' + str(cheapest_source[1]))
    print('Cheapest medium: ' + str(cheapest_medium))
    print('Cheaper electricity: ' + str(cheapest_elec))

    return min_cost, mindex