本来以为很简单的，哎 a = list(input('')) b = input('') c = input('') d=['',''] e=0 for i in range(0, len(a)): if a[i] != ' 'or'': d[e]+=a[i] else: e+=1 continue print(int(d[0]) * int(d[1])) if int(b) ** 2 * 3.14 != int(int(b) ** 2 * 3.14): print(int(b) ** 2 * 3.14) else: print(int(int(b) ** 2 * 3.14)) print(i...
