three-points-are-collinear.py

# Slope based solution to check if three
# points are collinear.

# function to check if
# point collinear or not
def collinear(x1, y1, x2, y2, x3, y3):

    if (y3 - y2) * (x2 - x1) == (y2 - y1) * (x3 - x2):
        print("Yes")
    else:
        print("No")


# Driver Code
x1, x2, x3, y1, y2, y3 = 1, 1, 0, 1, 6, 9
collinear(x1, y1, x2, y2, x3, y3)