lucass

摘要： >>> a=[] >>> a=a+['bb'] >>> a ['bb'] >>> a=a+['cc'] >>> a ['bb', 'cc'] >>> for name in a: print(''+name) bb cc 阅读全文

摘要： def collatz(number): while True: if number%2==0: number=number//2 print(number) elif number%2==1 and number!=1: number=number*3+1 print(number) else: 阅读全文