UniLecs #121. cAPS LOCK

task121.c

#include <stdio.h>

int main (int argc, char* argv[]) {
        if (argc < 2) {
                return -1, printf("missing argument\n");
        }
        for (int i = 1; i < argc; i++) {
                while (*argv[i] != '\0') {
                        if (*argv[i] >= 65 && *argv[i] <= 90)
                                putchar(*argv[i] + 32);
                        else if (*argv[i] >= 97 && *argv[i] <= 122)
                                putchar(*argv[i] - 32);
                        else
                                putchar(*argv[i]);
                        argv[i]++;
                }
                putchar(32);
        }
        putchar(10);
        return 0;
}

task121.py

import sys

args = sys.argv[1:]
if args:
        text = ' '.join(args)
        new_text = ''
        for char in text:
                code =  ord(char)
                if code >= 65 and code <= 90:
                        new_text += chr(code+32)
                elif code >= 97 and code <= 122:
                        new_text += chr(code-32)
                else:
                        new_text += char
        print(new_text)
else:
        print('No input. Enter text as arguments with spaces.')