defis_prime(n):ifn<=1:returnFalseifn==2:returnTrueifn%2==0:returnFalseforiinrange(3,int(n**0.5)+1,2):ifn%i==0:returnFalsereturnTrue 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 结语 本文介绍了素数的定义,并使用Python编写了一个函数来判断一个数是否为素数。我们还讨论了素数判断方...
# Program to check if a number is prime or not num = 29 # To take input from the user #num = int(input("Enter a number: ")) # define a flag variable flag = False if num == 0 or num == 1: print(num, "is not a prime number") elif num > 1: # check for factors for...
Write a Python Program to Print Prime Numbers Less Than 20 Now, let me give you another example. Here, I will show you how to write a Python program to print prime numbers less than 20. I will show you how to do this using basic iteration with the prime check function. This method ...
prime number python代码 primes在python 1.题目 2.代码 AI检测代码解析 import os import sys # 请在此输入您的代码 def countPrimes(n): primes=[1]*n count=0 li=[] for i in range(2,n): if primes[i]: count+=1 li.append(i) for j in range(i*i,n,i): primes[j]=0 return count,...
""" 输出100以内的素数 Version: 1.0 Author: 骆昊 """ for num in range(2, 100): is_prime = True for i in range(2, int(num ** 0.5) + 1): if num % i == 0: is_prime = False break if is_prime: print(num) 例子2:斐波那契数列 要求:输出斐波那契数列中的前20个数。 说明...
importjava.util.Scanner;publicclassHappyProgram{publicstaticvoidmain(String args[]){Scannerinput_a=newScanner(System.in); System.out.print("Enter a number: ");intYourNumber=input_a.nextInt();if(YourNumber >10) System.out.println("Your number is greater than ten") ;if(YourNumber <=10) ...
# this program will overwrite that file: outputFilename = 'frankenstein.encrypted.txt' myKey = 10 myMode = 'encrypt' # Set to 'encrypt' or 'decrypt'. # If the input file does not exist, the program terminates early: if not os.path.exists(inputFilename): ...
我更新了“contextlib 实用工具”,涵盖了自 Python 3.6 以来添加到contextlib模块的一些功能,以及 Python 3.10 中引入的新的带括号的上下文管理器语法。 让我们从强大的with语句开始。 上下文管理器和 with 块 上下文管理器对象存在以控制with语句,就像迭代器存在以控制for语句一样。
# Python program to check if the input number is odd or even. # A number is even if division by 2 gives a remainder of 0. # If the remainder is 1, it is an odd number. num = int(input("Enter a number: ")) if (num % 2) == 0: print("{0} is Even".format(num)) else...
Use a different name or delete these files and rerun this program.' % (name, name)) publicKey, privateKey = generateKey(keySize) print() print('The public key is a %s and a %s digit number.' % (len(str(publicKey[0])), len(str(publicKey[1]))) print('Writing public key to ...