change color matplotlib code example

Example 1: change plot line color in matplotlib

plot(x, y, color='green', linestyle='dashed', marker='o',
     markerfacecolor='blue', markersize=12).

Example 2: matplotlib color

Alias	Color
'b'	    blue
'g'	    green
'r'	    red
'c'	    cyan
'm'	    magenta
'y'	    yellow
'k'	    black
'w'	    white