You have a list of words: words = ['apple', 'banana', 'cherry']. Which code correctly joins them into a single string separated by commas?

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Python - Data Types as Values

You have a list of words: words = ['apple', 'banana', 'cherry']. Which code correctly joins them into a single string separated by commas?

A<code>result = ','.join([words])</code>

B<code>result = words.join(',')</code>

C<code>result = ','.join('words')</code>

D<code>result = ','.join(words)</code>

Step-by-Step Solution

Solution:

Step 1: Understand join() method usage
The join() method is called on the string separator and takes an iterable of strings as argument.
Step 2: Check each option
result = ','.join(words) correctly calls join on the comma string with the list words. Others misuse join or pass wrong arguments.
Final Answer:
result = ','.join(words) -> Option D
Quick Check:
Separator.join(list) joins list items [OK]

Quick Trick: Call join on separator string, pass list to join() [OK]

Common Mistakes:

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