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# WAP to find the roots of a quadratic equation.
def cal_root():
    a=float(input("Enter the coefficient of x²::"))
    b=float(input("Enter the coefficient of x::"))
    c=float(input("Enter the constant term::"))
    det=b**2-4*a*c
    if det>=0:
        root1=float(-b+det**0.5)/(2*a)
        root2=float(-b-det**0.5)/(2*a)
        print("Root of this quadratic equation is \n",root1,'and',root2)
    else:
        print("Root of this quadratic equation is not possible")
    run_again()
def run_again():
    choice=input("Did you want to run again?(y/n)::").lower()
    if choice=='y':
        cal_root()
    elif choice=='n':
        print('Thank you for using my program')
    else:
         print('Wrong input!\nEnter again!!')
         run_again()
cal_root()
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