题解 | #输出7的倍数#

for ((a=0;a<=500;a=a+7));do echo $a;done #a赋值0，每输出一次，a+7

#！/bin/bash

for i in {0..500}

do

    if [[ i%7 -eq 0 ]];then
    
        echo $i
        
    fi
    
done