首先粘贴代码： shopping={} key1=input('请输入要存入的商品名称：') value1=input('请输入商品的金额（数字）：') if value1.isdigit(): value1=int(value1) shopping[key1]=value1 for i in shopping: print(i,shopping[i]) ...

Understanding reasons for a family member's decision to accept or decline a referral will be important for guiding future TRACEBACK projects. Retrospective identification of pathogenic germline ...

Together with Dublin-based tech firm IdentiGEN, the retailer-cum-manufacturer has applied DNA TraceBack technology to ensure ‘complete traceability’ – starting with taking a DNA sample from every ...