30.9 Final Note

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Just when you think you've discovered all the things C++ can do to you ”think again. There are still more surprises in store.

Question 30-1: Why does Example 30-1 think everything is two? (This inspired the final note.)

Example 30-1. not2/not2.cpp

 #include <iostream> int main(  ) {     int number;     std::cout << "Enter a number: ";     std::cin >> number;     if (number =! 2)          std::cout << "Number is not two\n";     else         std::cout << "Number is two\n";     return (0); } 

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