标签:font col 文档 size print rom plt str ade
import csv from matplotlib import pyplot as plt from datetime import datetime fileName = ‘sitka_weather_07-2014.csv‘ with open(fileName) as f: reader = csv.reader(f) header_row = next(reader) # print(header_row) # for index, column_header in enumerate(header_row): # 在同时需要index和value值的时候可以使用 enumerate # # print(index, column_header) dates,hights = [], [] for row in reader: current_date = datetime.strptime(row[0], ‘%Y-%m-%d‘) dates.append(current_date) hights.append(int(row[1])) print(hights) fig = plt.figure(dpi=128, figsize=(10, 6)) plt.plot(dates, hights, c=‘red‘) # 设置图形的格式 plt.title("Dialy 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.savefig("temperature.png", bbox_inches=‘tight‘) plt.show()
运行结果
python读csv格式文档并用matplotlib绘制图表
标签:font col 文档 size print rom plt str ade
原文地址:https://www.cnblogs.com/endian11/p/9076785.html