摘要：snum=input()if snum[:-1]=='': print("输入错误")elif snum[:-1] !='': if int(snum[:-1]) <= 17 and int(snum[:-1])>=1: if snum[-1] in ['A','a','f','F']: print 阅读全文

摘要：pi = 0N = 100for k in range(N): pi += 1/pow(16, k) * (4 / (8 * k + 1) - 2 /(8 * k + 4) - 1/(8 * k + 5) - 1 /(8 * k + 6)) print("圆周率值是:{}".format(pi)) 阅读全文