#include<stdio.h>
#include<conio.h>
#include<string.h>
int main()
{
char str[20];
int i;
printf("Enter any string:");
gets(str);
for(i=0;i<=strlen(str);i++)
{
if(str[i]>=97&&str[i]<=122)
str[i]=str[i]-32;
else
str[i]=str[i]+32;
}
printf("Proper capitalisation is of great importance\n");
printf("%s\n",str);
getch ();
return 0;
}
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