Primenum.py

sqr = math.sqrt(10000)
print sqr

list1= []
i = 1
while i <=10000:
    list1.append(i)
    i += 1
x=2
for x in list1:
    if x > sqr:
        break
    for val in list1:
        if val%x == 0 and val!= x:
            list1.remove(val)

print list1