Armstrong Numbers // range 1-1000

arm.py

for i in range(1, 1000):
    t = i
    u = len(str(i)) 
    x = 0 
    while u != 0 : 
        b = i/pow(10,u-1) 
        i = i%pow(10,u-1) 
        u=u-1 
        x = x + pow(b,3) 
    i = t 
    if i == x: 
        print i