The figure below shows the write-leveling concept.
Although large numbers of Iranians haven’t fled the country yet, people have been leaving major cities for the relative safety of the countryside bordering the Caspian Sea north of the capital, Tehran, according to the International Organization for Migration.
，这一点在使用 WeChat 網頁版中也有详细论述
"There are days where I feel like, 'what the hell am I doing here?' because there are days that it would really take its toll on you".
• It might be time to ditch your phone case
We first need to get the number of elements in the array