matplot 绘图

#!/usr/bin/python
# -*- coding:utf-8 -*-
from matplotlib import  pyplot as plt
import matplotlib
import random

def mymatplotlib():
    x=range(2,26,2)
    print(list(x))
    y=[15,13,14.5,17,20,25,26,26,27,22,18,15]
    plt.plot(x,y)
    plt.show()

def mymatplotlib2():
    plt.figure(figsize=(20,8),dpi=80)
    x=range(2,26,2)
    print(list(x))
    y=[15,13,14.5,17,20,25,26,26,27,22,18,15]
    plt.plot(x,y)
    plt.savefig("./pic1.png")
    plt.show()

def mymatplotlib3():
    plt.figure(figsize=(20,8),dpi=80)
    x=range(2,26,2)
    print(list(x))
    y=[15,13,14.5,17,20,25,26,26,27,22,18,15]
    plt.plot(x,y)
    plt.xticks(x)
    plt.savefig("./pic2.png")
    plt.show()

def mymatplotlib4():
    # print(matplotlib.matplotlib_fname())
    x=range(120)
    y=[random.randint(20,35) for i in range(120)]
    print(len(x))
    print(len(y))
    plt.figure(figsize=(20,8),dpi=80)
    plt.plot(x,y)
    x_=x[::5]
    x_tick=["10点{}分".format(i) for i in range(60)]
    x_tick+=["11点{}分".format(i) for i in range(60)]
    plt.xticks(x_,x_tick[::5],rotation=45)
    plt.yticks(range(min(y),max(y)+1))
    plt.xlabel("时间")
    plt.ylabel("温度")
    plt.title("10点到12点的每分钟的温度变化")
    plt.show()
    pass

def mymatplotlib5():
    x=range(11,31)
    y = [1, 0, 1, 1, 2, 4, 3, 2, 3, 4, 4, 5, 6, 5, 4, 3, 3, 1, 1, 1]
    print(len(x))
    print(len(y))
    plt.plot(x,y)
    x_tick=["{}岁".format(i) for i in range(11,31)]
    plt.xticks(x,x_tick,rotation=45)
    plt.yticks(range(min(y),max(y)+1))
    plt.xlabel("年龄")
    plt.ylabel("异性朋友个数")
    plt.title("随年龄增长每年结交异性朋友的个数")
    plt.show()
    pass

def mymatplotlib6():
    x=range(11,31)
    y = [1, 0, 1, 1, 2, 4, 3, 2, 3, 4, 4, 5, 6, 5, 4, 3, 3, 1, 1, 1]
    y_2 = [1, 0, 3, 1, 2, 2, 3, 3, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
    print(len(x))
    print(len(y))
    plt.plot(x,y,label="自己")
    plt.plot(x, y_2,label="同桌",linestyle="--",color="g")
    x_tick=["{}岁".format(i) for i in range(11,31)]
    plt.xticks(x,x_tick,rotation=45)
    plt.yticks(range(min(y),max(y)+1))
    plt.xlabel("年龄")
    plt.ylabel("异性朋友个数")
    plt.title("随年龄增长每年结交异性朋友的个数")
    plt.legend(loc="upper left")
    plt.grid(alpha=0.4,linestyle=":")
    plt.show()
    pass



if __name__ == '__main__':
    print("hello")
    # mymatplotlib()
    print("=================")
    # mymatplotlib2()
    print("=================")
    # mymatplotlib3()
    print("=================")
    # mymatplotlib4()
    print("=================")
    # mymatplotlib5()
    print("==================")
    mymatplotlib6()