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Check if alphabet is vowel

Programme:

#include <stdio.h>
 
int main() {
 
  char ch;
 
  printf("Enter a character\n");
  scanf("%c", &ch);
 
  if (ch == 'a' || ch == 'A' || ch == 'e' || ch == 'E' || ch == 'i'
      || ch == 'I' || ch == 'o' || ch == 'O' || ch == 'u' || ch == 'U')
    printf("%c is a vowel.\n", ch);
  else
    printf("%c is not a vowel.\n", ch);
 
  return 0;
 
}

Output:

Enter a character
a
a is a vowel.