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题解 | #等差数列python3#

while True: try: x = int(input()) s = 0 for i in range(x): s += i*3 + 2 print(int(s)) except: ...

Python3

2021-11-01

11 633

题解 | #截取字符串python3#

while True: try: str1 = input() k = int(input()) print(str1[:k]) except: break

Python3

2021-10-29

38 3552

题解 | #字符个数统计python3#

while True: try: str = ''.join(set(input())) count = 0 for i in str: if 0 <= ord(i) <= 127: ...

Python3

2021-10-29

18 1651

题解 | #尼科彻斯定理python3#

while True: try: m = int(input()) l = [i for i in range(m*(m-1)+1,m*(m+1)) if i%2 !=0] print('+'.join(map(str,l))) exc...

Python3

2021-10-29

35 4046

题解 | #字符串反转python3#

1.用reversed函数 print(''.join(reversed(input()))) 2.切片函数 print(input()[::-])

Python3

2021-10-27

51 6534