[python]numpy, matplotlib_그래프

[module02]

import random
import numpy as np
import matplotlib.pyplot as plt

def plt01():
    x = np.arange(0,11)
    y = x 
    
    plt.plot(x,y)
    
    plt.xlabel('x')
    plt.ylabel('y')
    
    plt.legend(['y=x'])
    
    plt.show()

def plt02():
    # i가 아래에서 사용되지 않을때 _를 사용할 수 있음! 
    y = [random.randint(0,10) for _ in range(10)]
    x = range(10)
    
    plt.bar(x,y)
    
    plt.xticks(range(11))
    plt.yticks(range(11))
    
    plt.show() 

def plt03():
    data = [random.randint(100,1000) for _ in range(4)]
    plt.pie(data)

    category = ['first', 'second', 'third', 'fourth']
    plt.legend(category)

[main메소드]

if __name__=='__main__':
    #plt01()
    #plt02()
    plt03()