Find the errors in the given program and rewrite the correct program

p = float(input("Enter the principle amount : "))

r = float(input("Enter the rate of interest : ")

t = float(input("Enter the time in the years: "))

si == (p*r*n)/100

print("Principle amount: ", p)

print("Interest rate : ", r)

print("Time in years : ", t)

print("Simple Interest : " si)