pythons

  from matplotlib import pyplot as plt plt.plot([ 1 , 2 , 6 ],[ 4 , 6 , 1 ]) plt.show() # how to label the graph?? x=[ 1 , 2 , 3 , 4 ] y=[ 5 , 6 , 7 , 8 ] plt.plot(x,y) plt.title( "graph of x and y" ) plt.xlabel( "input" ) plt.ylabel( "output" ) plt.show() plotting of 2 lines with stling of line from matplotlib import pyplot as plt from matplotlib import style x=[ 1 , 2 , 3 , 4 ] y=[ 0 , 3 , 2 , 8 ] x1=[ 4 , 5 , 6 , 9 ] y1=[ 4 , 5 , 2 , 9 ] plt.plot(x,y, 'g' , label = "1st line" , linewidth = 5 ) plt.plot(x1,y1, 'c' , label = "2nd line" , linewidth = 4 ) plt.title( '2 lines' ) plt.xlabel( 'x-axis' ) plt.ylabel( 'y-axis' ) plt.legend() plt.grid( True , color = 'k' ) plt.show()