python基础15：全局输出控制语句、导入库、参数设置

#全部行都能输出
from IPython.core.interactiveshell import InteractiveShell
InteractiveShell.ast_node_interactivity = "all"

#导入库
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import time
import datetime


# rc参数
plt.rcParams['font.family'] = ['SimHei']  # 显示中文windows，也可以改变字体 KaiTi
#plt.rcParams['font.sans-serif']=['Simhei']  # 如果说执行后仍然不显示中文，则用上面代码
#plt.rcParams['font.family'] = 'Arial Unicode MS'  # 显示中文mac
plt.rcParams['axes.unicode_minus'] = False # 显示负号