python求素数，python素数,求素数for x in

python求素数，python素数,求素数for x in

求素数

for x in range(1,20,2):    fg=0    for y in range(2,x/2+1):        if  (x%y==0):            fg=1    if (fg==0):print xL1 = [x for x in range ( 1 , 100 ) if not [y for y in range ( 2 ,x/2+1)   if x % y == 0 ]]print L1