How to learn New Technologies(C,C++,JAVA,PYTHON,R,NODE JS,AI,ML,DATA Science)

#include <conio.h>  includes the  console input output  library functions. The getch() function is defined in conio.h file. # ये हैश सिंबल है जो प्रोग्राम का स्टार्टअप होता है इसको preprocessor directives कहते है ये बहुत ही इम्पोर्टेन्ट टर्म होता है आपको इसके बारे में जरूर पता होना चाहिये |  void main()  The  main() function is the entry point of every program  in C++ language. The void keyword specifies that it returns no value. cout << "Welcome to C++ Programming."  is  used to print the data "Welcome to C++ Programming."  on the console. getch()  The getch() function  asks for a single character . Until you press any key, it blocks the screen. How to compile and run the C++ program There are 2 ways to compile and run the C++ program, by menu and by shortcut. By menu Now  click on the compile menu then compile sub menu  to compile the c++ program. Then  cli...