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c program to clear nth bit of the number || Bitwise Operators || Problem Solving ||

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#include <stdio.h> int main() {     int num, n, newNum;     printf("Enter any number: ");     scanf("%d", &num);     printf("Enter nth bit to clear (0-31): ");     scanf("%d", &n);     newNum = num & (~(1 << n));     printf("Number before clearing %d bit: %d (in decimal)\n", n, num);     printf("Number after clearing %d bit: %d (in decimal)\n", n, newNum);     return 0; } Logic :-  num&(~(1<<n));
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Find the second lowest grade in the nested list:

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Given the names and grades for each student in a class of   students, store them in a nested list and print the name(s) of any student(s) having the second lowest grade. Hacker Rank Solution:     if  __ name__  ==  '__main__' :      student_list  =  []      for  _  in   range ( int ( input ())):          name  =  input ()          score  =  float ( input ())          student_list . append ([ name , score ])      # print(student_list)          scores_list  =  sorted ( list ( set ([ student [ 1 ]   for   student   in   student_list ]))) # print(scores_list) second_lowest_grade  =  scores_list [ 1 ] student_second_lowest_grade  =  [      student [ 0 ]        for   student   in   student_list      if ( student [ 1 ] == second_lowest_grade ) ] student_second_lowest_grade . sort () for   i   in   student_second_lowest_grade :      print ( i )
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