x = ['Bart', 'Lisa', 'Adam'] //定义三个值 sum = 0 //定义sum为0； while sum < 3: //当sum<3时 print('hello',x[sum]) <strong></strong>**//打印hello，Bart sum=sum+1 //继续打印hello，Lisa hello，Adam
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啊实打实517
x = ['Bart', 'Lisa', 'Adam'] //定义三个值 sum = 0 //定义sum为0； while sum < 3: //当sum<3时 print('hello',x[sum]) <strong></strong>**//打印hello，Bart sum=sum+1 //继续打印hello，Lisa hello，Adam