Demoprøve

import numpy as np # Instruks: Les fila der hver linje er 'YYYY-MM-DD hh:mm,verdi'. Returner ordbok date->np.array(24). Manglende timer settes til 0. Maks poeng: 5 def les_data(filename): D = {} with — Velg —open('filename')open(filename, 'r')open(filename, 'rb')open(filename, 'w') as f: for line in — Velg —range(24)f.readlines()fopen(filename): datetime, usage = — Velg —line.strip().split(';')line.split()line.split(',')line.strip().split(',') date = — Velg —datetime[11:13]datetime.split()[0]datetime[:10]usage[:10] hour = — Velg —float(datetime[11:13])int(datetime[:2])int(usage)int(datetime[11:13]) if — Velg —date not in Ddate in Dlen(D) == 0D.get(date) is None: D[date] = — Velg —np.zeros(24)[0]*23np.empty(24)np.zeros((24,24)) D[date][hour] = — Velg —usage.strip()int(usage)float(usage)usage return D