YOU CAN IF YOU BELIEVE YOU CAN

以下为源代码： item = [1, 10, 7, 4, 5, 9] def sum(item): head, *tail = item return head + sum(tail) if tail else head print(f"sum = {sum(item)}") 一下为输出结果： PS C:\Users\zoro.zhang> & C:/Users/zoro.zhang/AppData/Local/Programs/Python/Python39-3

records = [ ('foo', 1, 2), ('bar', 'Hello'), ('foo', 3, 4) ] # records = [ # 'foo', 1, 2, # 'bar', 'Hello', # 'foo', 3, 4 # ] def do_foo(x, y): print('foo', x, y) def do_bar(s): print('bar', s) for tar, *args in records.