模拟考试——质数输出

def f(n):
    flag=True
    for i in range (2,n):
        if n%i==0:
            flag=False
            break
    return flag
i=0
for k in range (100,1000):
    if f(k)==True:
        print(k,end=" ")
        i+=1
    if i==5:
        print()
        i=0