文章标题

for i in range(1,101):
if i >1:
for j in range(2,int(i/2+1)):
if i%j == 0:
break
else:
print('%d是素'%i)

l = [1,2,3,4,5,6,7,8,9,10]
for i in range(0,10):
for j in range(0,10):
if l[i] >= l[j]:
c = l[i]
l[i] = l[j]
l[j] = c
print(l)