minor code improvements for chapter 3 intro code.

Author: mikeckennedy

apps/py/ch03_lang/L06_ternary.py

@@ -8,3 +8,7 @@ def main():
         num = int(text)
         num_class = "small" if num < 100 else "huge!"
         print(f"The number is {num_class}")
+
+
+if __name__ == '__main__':
+    main()

apps/py/ch03_lang/L10_errors.py

@@ -9,7 +9,7 @@ def main():
             print(Fore.YELLOW + f"Calling sketchy_method with {v}...", flush=True)
             sketchy_method(v)
         except BrokenPipeError:
-            print(Fore.LIGHTRED_EX + f" **** Network error, check our wifi.")
+            print(Fore.LIGHTRED_EX + " **** Network error, check our wifi.")
         except ArithmeticError:
             print(Fore.LIGHTRED_EX + f" **** Cannot compute with {v}!")
         except Exception as e: