Convert String from lowercase to uppercase in C CPP Java Python

C
CPP
Python
Java

#include<stdio.h>
#include<string.h>
int main(){
   char str[25];
   int i;

   printf("Enter the string:");
   scanf("%s",str);
   /* running the loop from 0 to the length of the string
    * to convert each individual char of string to uppercase
    * by subtracting 32 from the ASCII value of each char
    */

   for(i=0;i<=strlen(str);i++){
        /* Here we are performing a check so that only lowercase 
       * characters gets converted into uppercase. 
       * ASCII value of a to z(lowercase chars) ranges from 97 to 122 
       */ 
      if(str[i]>=97&&str[i]<=122)
         str[i]=str[i]-32;
   }
   printf("\nUpper Case String is: %s",str);
   return 0;
}