摘要: n=int(input("")) sum=0 if n>=0: for i in range(1,n+1): sum+=i else: sum=1 print(sum) 阅读全文
posted @ 2020-03-22 17:47 liuchun玲 阅读(565) 评论(0) 推荐(0) 编辑
摘要: str=input("") print(str[::-1]) 阅读全文
posted @ 2020-03-22 17:45 liuchun玲 阅读(216) 评论(0) 推荐(0) 编辑
摘要: a=eval(input()) print("{:.3f}".format(a)) 阅读全文
posted @ 2020-03-22 17:44 liuchun玲 阅读(77) 评论(0) 推荐(0) 编辑
摘要: a=eval(input("")) b=eval(input("")) S=a*b print(round(S,2)) 阅读全文
posted @ 2020-03-22 17:42 liuchun玲 阅读(267) 评论(0) 推荐(0) 编辑
摘要: while True: try: string=input() if string!="!": res="" for i in string: if i.isupper(): res+=chr(ord("Z")-(ord(i)-ord("A"))) elif i.islower(): res += 阅读全文
posted @ 2020-03-22 17:40 liuchun玲 阅读(284) 评论(0) 推荐(0) 编辑
摘要: def getSumofSquares(num): numStr=str(num) sum=0 digitls=[int(x) for x in numStr] for i in digitls: sum += i**2 return sum def main(): n = input() sumo 阅读全文
posted @ 2020-03-22 17:31 liuchun玲 阅读(258) 评论(0) 推荐(0) 编辑
摘要: N=input() num=0 for i in N: if i=='(': num+=1 elif i==')': if num>0: num-=1 else: print("配对不成功") break else: if num!=0: print("配对不成功") else: print("配对 阅读全文
posted @ 2020-03-22 17:24 liuchun玲 阅读(110) 评论(0) 推荐(0) 编辑
摘要: N= input() for i in N: if i == ' ': print(" ",end='') elif i in ['X','Y','Z','x','y','z']: print(chr(ord(i)-23),end='') elif 'a'<=i<='w'or 'A'<=i<='W' 阅读全文
posted @ 2020-03-22 17:22 liuchun玲 阅读(107) 评论(0) 推荐(0) 编辑