The terminal condition in a for loop must be a numeric value, except when iterating over the letters in a string where a character is accepted.

Example 1

Note that  has no value.

Solution:

Define to correct this error.

Example 2

In this example  is set to  where  has no value.

Solution:

As with the previous example, define  to correct this error.

Example 3

Here is not initialized to a numeric value.

Solution:

Initialize

loops