Çözüldü Or bağlacı neden true değeri veriyor?

# exp dist : l.e^(-l.x)
# F(X) of exp dist : 1-e^(-l.x)

from math import e

option = input("Enter the type of the probability you want to calculate; 'Smaller', 'Greater' or 'Between': ")
l = float(input("Enter lambda: "))

if option == "Smaller" or "Greater":
    x = float(input("Enter x: "))

    result = 1 - (e ** ((-l) * x))
 
    if option == "Greater":
        result = 1 - result

else:
    xs = input("Enter xs, seperate them with comma. Ex. '3,7': ")

    xs = xs.split(",")
    x1 = xs[0]
    x2 = xs[1]

    print(x1)
    print(x2)

if option == "Smaller" or option == "Greater" :

if option in ["Smaller", "Greater"]: