# Python program to check prime number # Function to check prime number def isPrime(n): return all([(n % j) for j in range(2, int(n/2)+1)]) and n>1 # Main code num = 59 if isPrime(num): print(num, "is a prime number") else: print(num, "is not a prime number") ...
# 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...
Python program to check prime number using object oriented approach# Define a class for Checking prime number class Check : # Constructor def __init__(self,number) : self.num = number # define a method for checking number is prime or not def isPrime(self) : for i in range(2, int(...
This Blog provides a comprehensive guide to creating prime numbers, perfect numbers, and reverse numbers in Python. Learn More about Python Numbers!
在这个例子中,我们使用了两个except块,分别来捕获FileNotFoundError和ZeroDivisionError这两种不同类型的异常。当try块中的代码抛出任一种异常时,对应类型的except块就会捕获并处理该异常。 另一种方法是通过元组的方式一次性捕获多个异常类型。 try: # 一些可能会引发异常的操作 file = open('filename.txt', 'r'...
using System;publicclassHappyProgram{publicstaticvoidMain(){ Console.WriteLine("Enter a number: ");intYourNumber=Convert.ToInt16(Console.ReadLine());if(YourNumber >10) Console.WriteLine("Your number is greater than ten");if(YourNumber <=10) Console.WriteLine("Your number is ten or smaller"...
a prime example of a major package where porting to 3.x is far from trivial 回到顶部 四、Python安装 windows 1 2 3 4 5 6 7 1、下载安装包 https://www.python.org/downloads/ 2、安装 默认安装路径:C:\python27 3、配置环境变量 【右键计算机】--》【属性】--》【高级系统设置】--》【高级...
字典文件dictionary.txt (可在本书网站www.nostarch.com/crackingcodes)约有 45000 个英语单词。我的电脑只需不到五分钟就能完成对一个长段落大小的信息的所有解密。这意味着,如果使用一个英语单词来加密一个维吉尼亚密文,该密文容易受到字典攻击。让我们来看一个使用字典攻击来破解维吉尼亚密码的程序的源代码。* ...
24. Write a Python program to check whether a given number is an ugly number. Input : 12 Output : True Ugly numbers are positive numbers whose only prime factors are 2, 3 or 5. The sequence 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, ... shows the first 10 ugly numbers. Note:...
# 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): ...