{}
import numpy as np
def f(x):
y=x*x+5*x+6
return y
a=float(input("Enter Intial value of a: "))
b=float(input("Enter Intial value of b: "))
if f(a)*f(b)<0:
print("Root lies in the interval [{0},{1}]".format(a,b))
elif f(a)*f(b)==0:
print("Any one initial value may the root")
else:
print("No root lies in the interval [{0},{1}]".format(a,b))