The journey of programming is like an adventure; the world of Python seems friendly but hides many secrets. I hope you can easily avoid the pitfalls I have encountered! Chapter 1: Sweet Traps for Beginners I still remember when I first encountered Python; I thought this language was incredibly friendly! It reads like English and … Read more
Variable scope is a very important concept in C++, determining the visibility and lifecycle of variables within a program. Understanding variable scope is crucial for writing correct and efficient C++ programs. 1. Overview of Variable Scope In C++, variable scope refers to the range within which a variable can be accessed in a program. C++ … Read more
01 Read the following program: void swap(char *x, char *y) { char t; t=*x; *x=*y; *y=t; } main() { char *s1=”abc”, *s2=”123″; swap(s1,s2); printf(“%s,%s\n”,s1,s2); } The output of the program is A) 123,abc B) abc,123 C) 1bc,a23 D) 321,cba Answer: C Analysis: The function swap works as follows: t = *x; saves the character pointed … Read more
