Splitting and Joining Strings
Splitting strings and joining them back together are essential skills for working with text data in Python. The split() method lets you break a string into a list of substrings based on a specified delimiter. By default, split() uses any whitespace as the delimiter, but you can specify any character or sequence of characters as the separator.
12345678# Splitting a comma-separated string into a list data = "apple,banana,cherry,dragonfruit" fruits = data.split(",") print("List of fruits:", fruits) # Iterating over the list of fruits for fruit in fruits: print("Fruit:", fruit)
Once you have a list of strings, you can combine them back into a single string using the join() method. This method is called on the separator you want to use between each element, and takes the list as its argument. The result is a new string with the list items joined by the chosen separator.
123456789101112# Joining a list of words with a space words = ["Data", "Science", "with", "Python"] sentence = " ".join(words) print(sentence) # Joining the same list with a hyphen hyphenated = "-".join(words) print(hyphenated) # Joining the list with no separator no_space = "".join(words) print(no_space)
1. What is the default delimiter for the .split() method?
2. Which of the following are valid uses of the .join() method?
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Can you explain how to split a string using a different delimiter?
How does the join() method work with numbers instead of strings?
Can you show more examples of splitting and joining strings?
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Splitting strings and joining them back together are essential skills for working with text data in Python. The split() method lets you break a string into a list of substrings based on a specified delimiter. By default, split() uses any whitespace as the delimiter, but you can specify any character or sequence of characters as the separator.
12345678# Splitting a comma-separated string into a list data = "apple,banana,cherry,dragonfruit" fruits = data.split(",") print("List of fruits:", fruits) # Iterating over the list of fruits for fruit in fruits: print("Fruit:", fruit)
Once you have a list of strings, you can combine them back into a single string using the join() method. This method is called on the separator you want to use between each element, and takes the list as its argument. The result is a new string with the list items joined by the chosen separator.
123456789101112# Joining a list of words with a space words = ["Data", "Science", "with", "Python"] sentence = " ".join(words) print(sentence) # Joining the same list with a hyphen hyphenated = "-".join(words) print(hyphenated) # Joining the list with no separator no_space = "".join(words) print(no_space)
1. What is the default delimiter for the .split() method?
2. Which of the following are valid uses of the .join() method?
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