peak_finder_algo

def peak_finder(peaks_list):
    """ input must be list """
    if type(peaks_list) == list:
        largest_peak = None
        for peak in peaks_list:
            if peak >= largest_peak:
                largest_peak = peak
                break
        return largest_peak
    else:
        raise ValueError("Input Error")

print peak_finder([1,2,45.6,45.55999])

# Algorithm traverses list in a linear fashion
# It's readable but it seems generic and not very pythonic