python语句读不懂

Question

for i, e in enumerate(last_layer): layer_in = e(layer_in) if i == 4: out_branch = layer_in return layer_in, out_branch

Answer 1

for i, e in enumerate(last_layer): 
    layer_in = e(layer_in) 
    if i == 4: 
        out_branch = layer_in 
        return layer_in, out_branch

代码是这样的，你要搞清楚代码的变量代表什么，数据类型是什么