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目录
- def isprime(n):
- for j in range(2, int(n**(1/2)) + 1):
- if n % j == 0:
- return 0
- return 1
-
- def plalindrome_prime(n):
- n1 = n[::-1]
- if n1 == n:
- return 1
- return 0
-
- x = int(input())
- i = 0
- n = 2
- while (i < x):
- if (isprime(n) and plalindrome_prime(str(n))):
- print(n, end=' ')
- i += 1
- n += 1
- def is_prime(n):
- for i in range(2,int(n**(1/2)+1)+1):
- if n % i ==0:
- return False
- return True
- def reverse_prime(n):
- if is_prime(n) and is_prime(int(str(n)[::-1])) and str(n) !=str(n)[::-1]:
- return True
- else:
- return False
- a = int(input())
- times = 0
- n = 2
- while times < a:
- if reverse_prime(n):
- print(n,end = " ")
- times += 1
- n +=1
- def is_prime(n):
- """判断素数的函数,接收一个正整数为参数,参数是素数时返回True,否则返回False"""
- # ====================Begin===================================
- # 补充你的代码
- if n < 2:
- return False
- elif n == 2:
- return True
- else:
- a = int(n ** (1 / 2) + 1)
- for i in range(2, a + 1):
- if n % i == 0:
- return False
- else:
- return True
- # ======================End=================================
-
- def goldbach_conjecture(num):
- """ 哥德巴赫猜想, 接收一个不小于4的正整数为参数。
- 当参数为不小于4的偶数时,将其分解为两个素数的加和,按小数+数的格式输出。
- 有多种组合时全部输出,但不输出重复的组合,例如输出8=3+5,不输出8=5+3。
- 参数为奇数或小于4时,输出'Data error!'
- """
- # ====================Begin===================================
- # 补充你的代码
-
- if 4<=num and num % 2 == 0:
- for i in range(1,num + 1):
- n = num - i
- if is_prime(i) and is_prime(n) and i<=n :
- print(f"{num}={i}+{n}")
- else:
- print('Data error!')
-
- # ======================End=================================
-
-
- if __name__ == '__main__':
- positive_even = int(input()) # 输入一个正数
- goldbach_conjecture(positive_even)
- a = input()
- b = eval(input())
- if '$' in a and b>0:
- c = eval(a.replace('$',""))
- print(f"{c*b:.2f}¥")
- elif "¥" in a and b>0:
- c = eval(a.replace('¥', ""))
- print(f"{c/b:.2f}$")
- else:
- print("Data error!")
- a = list(map(str,input().split()))
- b = []
- c=0
- for i in a[4]:
- if str.isdigit(i) and c <4:
- b.append(i)
- c+=1
- b = ''.join(b)
- print("姓名:" + a[1])
- print("班级:" + a[2])
- print("出生:" + str(b)+"年")
- a = input()
- year = a[6:10]
- month = a[10:12]
- date = a[12:14]
- if int(a[16])%2 == 0:
- print(f'出生:{year}年{month}月{date}日')
- print('性别:女')
- else:
- print(f'出生:{year}年{month}月{date}日')
- print('性别:男')
- a = int(input())
- for i in range(a+1):
- s = 0
- for n in str(i):
- s = s + int(n)
- if s == 5:
- print(i, end=" ")
- a = input()
- print(len(a))
- import string
- def caesar_cipher(text):
-
- lower = string.ascii_lowercase
- upper = string.ascii_uppercase
- digit = string.digits
- before = lower + upper + digit
- after = lower[3:]+lower[:3] + upper[5:]+upper[:5]+ digit
- result = ''.maketrans(before, after)
- return text.translate(result)
-
- if __name__ == '__main__':
- plaintext = input()
- print(caesar_cipher(plaintext))
- a = input()
- b = a.split()
- for i in b:
- print(i)
- import string
- def caesar_cipher(text):
-
- lower = string.ascii_lowercase
- upper = string.ascii_uppercase
- digit = string.digits
- before = lower + upper + digit
- after = upper + lower+ digit
- result = ''.maketrans(before, after)
- return text.translate(result)
-
- if __name__ == '__main__':
- plaintext = input()
- print(caesar_cipher(plaintext))
- a = input()
- b = input()
- if a in b:
- print(f'index = {b.index(a)}')
- else:
- print("Not Found")
- import random
- n,s= map(int,input().split(','))
- random.seed(s)
- i = 0
- while i < n:
- i += 1
- print(random.choice('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\()*+,-.'),end = "")
- import random
- n = int(input())
- x = int(input())
- random.seed(x)
- def wrxl():
- list = []
- times = 0
- while times < 5:
- for i in range(5):
- a = random.choice("BCEFGHJKMPQRTVWXY2346789")
- list.append(a)
- list.append('-')
- list1 = map(str,list)
- times += 1
- list2 = ''.join(list1)
- list2 = list2.strip('-')
- return list2
- for i in range(n):
- print(wrxl())
- A = input()
- N = int(input())
- if 0 <= N and 1<= int(A) <=9 :
- def slqh(A,N):
- list = []
- for i in range(1,N+1):
- list.append(int(A*i))
- print(sum(list))
- slqh(A,N)
- else:
- print('data error')
- txt = input()
- for i in ",.!":
- txt = txt.replace(i, " ")
- x1 = txt.split()
- print(len(x1))
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