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queu in python

class queu():     def __init__(self):         self.l=[]     def push(self,val):         self.l.append(val)     def pop(self):         self.l.pop(0)     def peak(self):         for i in range(len(self.l)):             return self.l[0]     def emty(self):         for i in range(len(self.l)):             return len(self.l)==0              def display(self):         print(self.l) q=queu() q.push(10) q.push(20) q.push(40) q.push(100) q.display() q.pop() q.display() print(q.emty()) print(q.peak()) 

stack in python

 class stack():     def __init__(self):         self.l=[]     def push(self,val):         self.l.append(val)     def pop(self):         self.l.pop()     def peak(self):         for i in range(len(self.l)):             return self.l[-1]     def emty(self):         for i in range(len(self.l)):             return len(self.l)==0              def display(self):         print(self.l) s=stack() s.push(10) s.push(20) s.push(40) s.push(100) s.display() s.pop() s.display() print(s.emty()) s.display() print(s.peak())

expalin

 import java.util.Scanner; public class Main{     public static void main(String[]args){         Scanner s=new Scanner(System.in);         System.out.println("Enter no of rows");         int row=s.nextInt();         System.out.println("Enter no of cols");         int col=s.nextInt();         for (int i=1;i<=row;i++){             for(int space=1;space<=row-i;space++){                 System.out.print(" ");             }             for(int j=1;j<=2*i-1;j++){                 if(j==1||j==2*i-1){                 System.out.print("*");                 }               ...

class in java

 import java.util.Scanner; class employe{     String name;     int id;     int salary;     void display(){         System.out.println(name+" employe information");         System.out.println(salary+" salary");         System.out.println(id+" id");     } } public class Main{ public static void main(String[]args){ Scanner sc=new Scanner(System.in); System.out.println("employe e1 details");  employe e1=new employe();  e1.name=sc.nextLine();  e1.id=sc.nextInt();  e1.salary=sc.nextInt();  sc.nextLine();  System.out.println("employe e2 details");  employe e2=new employe();  e2.name=sc.nextLine();  e2.id=sc.nextInt();  e2.salary=sc.nextInt();  e1.display();  e2.display();  sc.close(); }} MULTIPLICATION OF TABLE UP TO GIVEN NUMBER import java.util.Scanner; public class Main{ public static void main(String[]args){ Scan...

parent class single and multiple

 class animal:     def eat(a):         print("eating")     def sleep(a):         print("sleeping") class animal1:     def eat1(a):         print("eating1")     def sleep1(a):         print("sleeping1") class dog(animal,animal1):     def bark(a):         print("barking") d=dog() d.eat1() d.bark() d.sleep1()

recursion

sum of n number  def dimpul(n):     if(n==0):         return 0     return n+dimpul(n-1)     dimpul(n-1) n=int(input("enter")) print(dimpul(n)) factorial def dimpul(n):     if(n==0):         return 1     return n*dimpul(n-1)     dimpul(n-1) n=int(input("enter")) print(dimpul(n)) def f(n):     if(n<=0):         return 0     elif(n==1):         return 1     else:         return f(n-1)+f(n-2) n=int(input("enter")) for i in range(n):     print(f(i), end=" ")

matrixs

ADDITION  rows=int(input("enter no rows")) cols=int(input("enter no cols")) a=[[0]*cols for i in range(rows)] for i in range(rows):     for j in range(cols):         a[i][j]=int(input("")) for i in range(rows):     for j in range(cols):         print(a[i][j],end=" ")     print() b=[[0]*cols for i in range(rows)] for i in range(rows):     for j in range(cols):         b[i][j]=int(input("")) for i in range(rows):     for j in range(cols):         print(b[i][j],end=" ")     print() c=[[0]*cols for i in range(rows)] print("addtion") for i in range(rows):     for j in range(cols):         c[i][j]=a[i][j]+b[i][j]         print(c[i][j],end=" ")     print() SUBTRACTION rows=int(input("enter no rows")) cols=int(input("enter no cols")) a=[[0]*cols for i in range(rows)] for i in range(rows): ...

Arrays and lambda, class

Array declartion  s=list(map(int,input().split())) print(s) s1=[12,21 ,33] print(s1) n=int(input("enter")) arr=[] for i in range(n):     x=int(input(""))     arr.append(x) print(arr)  lambda a=list(map(int,input("enter list elements").split())) print("suare of list") print(list(map(lambda s:s*s,a))) print("even numbers in list are:") print(list(filter(lambda s:s%2==0,a))) print("odd numbers in list are:") print(list(filter(lambda s:s%2!=0,a))) string s= input().split() print(s) print(list(filter (lambda x:x[0] in"aeiou",s))) class and objects class car:     def __init__(self,c,m,s):         self.colour=c         self.model=m         self.seats=s     def carwheels(self):         print(self.model,"4 wheels")     def carbrakes(self):         print(self.model,"has automatic brakes") c=input("enter colour") m=input("enter model") s=in...

65 90 97 120 String

count no capital letters s=input() t=len(s) print(t) print(s) count=0 for i in s:     if("A"<=i<="Z"):         count=count+1 print(count)  count number of capital in ascii values s=input() count=0 for i in s:     t=ord(i)     if(97<=t<=120):         count=count+1 print(count) vowel and consonant s=input() for t in s:     if(t=='A' or t=='E'or t=='I'or t=='O'or t=='U'or t=='a' or t=='e'or t=='i'or t=='o'or t=='u'):         print("vowel")     else:         print("cons") palindrom or not s = input() print(s[::-1]) if(s==s[::-1]):     print("palindrom") else:     print("not")

programs

Divisors  n=int(input("enter a number")) for i in range(1,n+1,1):     if(n%i==0):         print(i) Perfect number n=int(input("enetr a number: ")) sum=0 t=n for i in range(1,n,1):     if(n%i==0):         #print(i)         sum=sum+i         print(sum) if(sum==t):     print("perfect") else:     print("not perfect") count the digits n=int(input("enetr a number: ")) count=0 while (n>0):     digit=n%10     if(digit>=0):         count=count+1     n=n//10 print(count) Reverse number n=int(input("enetr a number: ")) reverse=0 while (n>0):     digit=n%10     reverse=reverse*10+digit     n=n//10 print(reverse) Palindrom or not n=int(input("enetr a number: ")) T=n reverse=0 while (n>0):     digit=n%10     reverse=reverse*10+digit     n=n//10 if(T==reverse...