Coders's Stop!

 print('This is an area program for rectangle') breadth=int(input('Enter Breadth : ')) length=int(input('Enter Length : ')) area=breadth*length print('Area of Rectangle with Breadth ',breadth,'and length',length,' is ',area,)

//first you have to add a few products in admin panel and password for admin is :admin and place a few orders from guest end to explore all the functions , ENJOY:) #include<iostream> #include<fstream> #include<iomanip> #include<stdio.h> #include<string.h> #include<conio.h> using namespace std; class items; class bill; class billdetails; //////////////////////////////////////////// //PROTYPING THE FUNCTIONS void allorders(); void searchbillno(); void restore(); void modifyrecord(); void addrecord(); void pattern(); void displayallitems(); void adminpage(); void startpage(); void guestpage(); void searchitem(); void removeproduct(); void searchitem(); void outofstock(); int generatebillno(); void placeorder(); char *getnamefromfile(int i); void headingoforderdetails(); void headingforproductsales(); void getorderfromfile(int ); class bill { protected: int billno; public: bill() { ...

 #include<iostream>//password for admin section is:admin #include<fstream> #include<iomanip> #include<stdio.h> #include<string.h> #include<conio.h> using namespace std; class items; class bill; class billdetails; //////////////////////////////////////////// //PROTYPING THE FUNCTIONS void searchbillno(); void restore(); void modifyrecord(); void addrecord(); void pattern(); void displayallitems(); void adminpage(); void startpage(); void guestpage(); void searchitem(); void removeproduct(); void searchitem(); void outofstock(); int generatebillno(); void placeorder(); char *getnamefromfile(int i); void headingoforderdetails(); void getorderfromfile(int ); class bill { protected: int billno; public: bill() { billno=0; } int getbillno()                      { return billno; } void setbillno(int b) { b...