import math
def magnitude(x1,y1,x2,y2):
raiz = math.sqrt((x2-x1)**2)+((y2-y1)**2)
print raiz
magnitude(0,0,1.3,1.3)
raiz = math.sqrt((x2-x1)**2+(y2-y1)**2)
print (round(raiz,2))
import math
def magnitude(x1,y1,x2,y2):
raiz = math.sqrt((x2-x1)**2+(y2-y1)**2)
print (raiz)
magnitude(0,0,1.3,1.3)
num=int(input("Raíz cuadrada de:"))
raíz=num(1/2)
print(raíz)