[Python] Write a function called “add_spaces” that takes in an argument called “initial_string”. initial_string will always be a non empty string. The function should return the same string but with an added space in between all of the letters. If there are already spaces in the initial_string passed in, you should not add an extra space in between those spaces.

C++ Programming: From Problem Analysis to Program Design
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Chapter6: User-defined Functions
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[Python] Write a function called “add_spaces” that takes in an argument called “initial_string”. initial_string will always be a non empty string. The function should return the same string but with an added space in between all of the letters. If there are already spaces in the initial_string passed in, you should not add an extra space in between those spaces.

**Example Output:**

```
add_spaces("python")                    ⇒   p y t h o n
add_spaces("my string already has spaces")  ⇒  m y s t r i n g a l r e a d y h a s s p a c e s
add_spaces("a     python     string")  ⇒  a     p y t h o n     s t r i n g
```

- The first example demonstrates the function `add_spaces` being applied to the string `"python"`, resulting in the output `"p y t h o n"`, where each character is separated by a space.
- The second example illustrates the function `add_spaces` applied to the string `"my string already has spaces"`, outputting `"m y s t r i n g a l r e a d y h a s s p a c e s"`.
- The third example shows the function `add_spaces` applied to the string `"a     python     string"`, and it produces `a     p y t h o n     s t r i n g"`, preserving the existing spaces between words and adding spaces between each character within the words.
Transcribed Image Text:**Example Output:** ``` add_spaces("python") ⇒ p y t h o n add_spaces("my string already has spaces") ⇒ m y s t r i n g a l r e a d y h a s s p a c e s add_spaces("a python string") ⇒ a p y t h o n s t r i n g ``` - The first example demonstrates the function `add_spaces` being applied to the string `"python"`, resulting in the output `"p y t h o n"`, where each character is separated by a space. - The second example illustrates the function `add_spaces` applied to the string `"my string already has spaces"`, outputting `"m y s t r i n g a l r e a d y h a s s p a c e s"`. - The third example shows the function `add_spaces` applied to the string `"a python string"`, and it produces `a p y t h o n s t r i n g"`, preserving the existing spaces between words and adding spaces between each character within the words.
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