Requirements • Create a function that will combine the letters from lists 1 and 2 • Letter combinations will be appended to the list letter_combinations • If a letter combination already exists in letter_combinations, then it must be saved to the list repeated_combinations • The lists letter_combinations and repeated_combinations must be lists of Tuples • Each tuple will be in (listlletter, list2letter) format Hinto
Requirements • Create a function that will combine the letters from lists 1 and 2 • Letter combinations will be appended to the list letter_combinations • If a letter combination already exists in letter_combinations, then it must be saved to the list repeated_combinations • The lists letter_combinations and repeated_combinations must be lists of Tuples • Each tuple will be in (listlletter, list2letter) format Hinto
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Python code
Transcribed Image Text:**Statement**
Create letter combinations that consist of elements from list1 and list2.
Use your pseudocode and/or diagram. Check your output.
**Requirements**
- Create a function that will combine the letters from lists 1 and 2.
- Letter combinations will be appended to the list `letter_combinations`.
- If a letter combination already exists in `letter_combinations`, then it must be saved to the list `repeated_combinations`.
- The lists `letter_combinations` and `repeated_combinations` must be lists of Tuples.
- Each tuple will be in (list1letter, list2letter) format.
**Hints**
- Review the videos. Have them open while you code if you need to.
- For loops are useful to iterate through items in a list.
- The IN operator is useful to verify whether an item exists in a list.
- Use the `append()` method.
- Your function should return 2 values: `letter_combinations` and `repeated_combinations`.
- Sometimes a well-placed print statement will help you know what you're doing wrong.
- You can change the content of list1 and list2 for testing purposes, but YOU MUST USE THE ORIGINAL VALUES OF THE LISTS IN ORDER FOR YOUR ALGORITHM TO BE GRADED PROPERLY.
![```python
list1 = ['A', 'B', 'C', 'E', 'J']
list2 = ['A', 'C', 'D', 'B', 'E', 'Z', 'B', 'A', 'F', 'B', 'H', 'A']
letter_combinations = []
repeated_combinations = []
# Start your algorithm here
# Define your function here
# function ends here
# invoke your function here
# do not change anything below this line
print('Letter Combinations:') # do not change this line of code
print(combinations) # do not change this line of code
print() # do not change this line of code
print('Repeated Combinations:') # do not change this line of code
print(repeats) # do not change this line of code
```
### Explanation:
This script in Python is designed to work with two lists of letters, `list1` and `list2`. Here's a detailed explanation:
- **Variables:**
- `list1`: Contains the letters `['A', 'B', 'C', 'E', 'J']`.
- `list2`: Contains the letters `['A', 'C', 'D', 'B', 'E', 'Z', 'B', 'A', 'F', 'B', 'H', 'A']`.
- `letter_combinations`: An empty list intended to store combinations of letters.
- `repeated_combinations`: An empty list intended to store repeated letter combinations.
- **Sections:**
- **Algorithm Definition Area:** The placeholders `# Start your algorithm here` and `# Define your function here` indicate where to insert the custom algorithm and function to manipulate or analyze the letter lists.
- **Function Invocation:** The placeholder `# invoke your function here` is where the function would be called to execute the defined algorithm.
- **Output:**
- The script prints the headings "Letter Combinations:" and "Repeated Combinations:", followed by the respective contents of `combinations` and `repeats`. At this stage, these variables are undefined and should be replaced with valid lists from the function's operations.
This code is structured for educational purposes to teach how to define algorithms and functions in Python. The students are expected to fill in the missing logic.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48fa6f50-a510-4234-9950-4191a13ca9b5%2F889f6c24-addc-45cb-b8b6-7ebefa03db1c%2Ffrbf72_processed.jpeg&w=3840&q=75)
Transcribed Image Text:```python
list1 = ['A', 'B', 'C', 'E', 'J']
list2 = ['A', 'C', 'D', 'B', 'E', 'Z', 'B', 'A', 'F', 'B', 'H', 'A']
letter_combinations = []
repeated_combinations = []
# Start your algorithm here
# Define your function here
# function ends here
# invoke your function here
# do not change anything below this line
print('Letter Combinations:') # do not change this line of code
print(combinations) # do not change this line of code
print() # do not change this line of code
print('Repeated Combinations:') # do not change this line of code
print(repeats) # do not change this line of code
```
### Explanation:
This script in Python is designed to work with two lists of letters, `list1` and `list2`. Here's a detailed explanation:
- **Variables:**
- `list1`: Contains the letters `['A', 'B', 'C', 'E', 'J']`.
- `list2`: Contains the letters `['A', 'C', 'D', 'B', 'E', 'Z', 'B', 'A', 'F', 'B', 'H', 'A']`.
- `letter_combinations`: An empty list intended to store combinations of letters.
- `repeated_combinations`: An empty list intended to store repeated letter combinations.
- **Sections:**
- **Algorithm Definition Area:** The placeholders `# Start your algorithm here` and `# Define your function here` indicate where to insert the custom algorithm and function to manipulate or analyze the letter lists.
- **Function Invocation:** The placeholder `# invoke your function here` is where the function would be called to execute the defined algorithm.
- **Output:**
- The script prints the headings "Letter Combinations:" and "Repeated Combinations:", followed by the respective contents of `combinations` and `repeats`. At this stage, these variables are undefined and should be replaced with valid lists from the function's operations.
This code is structured for educational purposes to teach how to define algorithms and functions in Python. The students are expected to fill in the missing logic.
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