摘要：def hanoi(n,a,b,c): if n ==1: print(n,a+'->'+c) else: hanoi(n-1,a,c,b) print(n,a+'->'+c) hanoi(n-1,b,a,c) hanoi(5,'A','B','c') 阅读全文

摘要：l = ['Mary','Bob','Tracy'] l.append('Bob') l.pop() print(1) t = ('Mary','Bob','Tracy') scores = [45,65,55] d = {'Mary':45,'Bob':65,'Tracy':55} d['Bob' 阅读全文