about roll

gistfile1.py

# today my lucky number
from random  import choice

a =raw_input("Please enter /roll + number :")

def roll(c):
    y = choice(range(c))
    return  y

if a.startswith("/roll") :
    if a == "/roll":
        print "Today Your Lucky Number Is  %s"% roll(100)
        raw_input("Enter anykey to Exit !")
    elif "-" in a:
        try:
            b = a.split(" ")[1]
            c =b.replace("-"," ").split()[0]
            d =b.replace("-"," ").split()[1]
            if int(c)>int(d):
                print choice(range(int(d),int(c)+1))
            elif int(c)<int(d):
                print choice(range(int(c),int(d)+1))
        except ValueError:
            print "Sorry,Please Enter /roll + number"
            raw_input("Enter anykey to Exit !")
    else:
        try:
            b = a.split(" ")[1]
            c = int(b)
            print "Today Your Lucky Number Is  %s"% roll(c)
            raw_input("Enter anykey to Exit !")
        except ValueError:
            print "Sorry,Please Enter /roll + number"
            raw_input("Enter anykey to Exit !")


else:
    print "Sorry,Please Enter /roll + number!"
    raw_input("Enter anykey to Exit !")