如何在matplotlib中更改x轴,以便没有空白?
import csvfrom matplotlib import pyplot as pltfrom datetime import datetime# Get dates and high temperatures from file.filename = 'sitka_weather_07-2014.csv'with open(filename) as f: reader = csv.reader(f) header_row = next(reader) #for index, column_header in enumerate(header_row): #print(index, column_header) dates, highs = [], [] for row in reader: current_date = datetime.strptime(row[0], "%Y-%m-%d") dates.append(current_date) high = int(row[1]) highs.append(high)# Plot data. fig = plt.figure(dpi=128, figsize=(10,6))plt.plot(dates, highs, c='red') # Format plot.plt.title("Daily high temperatures, July 2014", fontsize=24) plt.xlabel('', fontsize=16)fig.autofmt_xdate()plt.ylabel("Temperature (F)", fontsize=16) plt.tick_params(axis='both', which='major', labelsize=16)plt.show()
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