g_list = ['Mortal Kombact', 'Contra', 'Streets of Rage', 'Shinobi', 'Sonic' 'Phatasy Star'] # For loop is used to print the list for i in g_list: print(i) # User is giving the input to remove a certain element from the list r=input("Which one do you think should be removed? ") # There is a inbuilt function in python to remove any element from the list g_list.remove(r) # New list of elements is printed after removal print("Here are the new top Sega games:") for j in g_list: print(j) M2A2 X Shinobi Sonic Phatasy Star Which one do you think should be removed? contra Traceback (most recent call last): File "C:\Users\jpala\Pycharm Projects\M2A2\M2A2.py", line 19, in g_list.remove(r) ValueError: list.remove(x): x not in list
g_list = ['Mortal Kombact', 'Contra', 'Streets of Rage', 'Shinobi', 'Sonic' 'Phatasy Star'] # For loop is used to print the list for i in g_list: print(i) # User is giving the input to remove a certain element from the list r=input("Which one do you think should be removed? ") # There is a inbuilt function in python to remove any element from the list g_list.remove(r) # New list of elements is printed after removal print("Here are the new top Sega games:") for j in g_list: print(j) M2A2 X Shinobi Sonic Phatasy Star Which one do you think should be removed? contra Traceback (most recent call last): File "C:\Users\jpala\Pycharm Projects\M2A2\M2A2.py", line 19, in g_list.remove(r) ValueError: list.remove(x): x not in list
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
I keep on getting this error
g_list.remove(r)
ValueError: list.remove(x): x not in list
![### Python List Manipulation and Error Handling
In this example, we are manipulating a list of Sega games using Python. The code demonstrates how to remove an element from a list based on user input and how Python handles errors if the element is not found.
#### Code Breakdown
```python
g_list = ['Mortal Kombat', 'Contra', 'Streets of Rage', 'Shinobi', 'Sonic', 'Phantasy Star']
```
- **Initialization**: A list `g_list` is defined with several game titles.
```python
# For loop is used to print the list
for i in g_list:
print(i)
```
- **Printing Initial List**: Loops through each item in the list and prints it.
```python
# User is giving the input to remove a certain element from the list
r = input("Which one do you think should be removed? ")
```
- **User Input**: Prompts the user to input the name of a game they wish to remove.
```python
# There is a inbuilt function in python to remove any element from the list
g_list.remove(r)
```
- **Removing an Element**: Attempts to remove the specified game title from the list using the `remove()` method.
```python
# New list of elements is printed after removal
print("Here are the new top Sega games:")
for j in g_list:
print(j)
```
- **Printing Updated List**: Prints the list after attempted removal.
#### Output and Error
- **Output**:
- The initial list is printed.
- The user is prompted to specify a game to remove.
- **Error**:
- The message from the error shown in the console:
```
Traceback (most recent call last):
File "C:\Users\jpala\PycharmProjects\M2A2\M2A2.py", line 19, in <module>
g_list.remove(r)
ValueError: list.remove(x): x not in list
```
- **Error Description**: A `ValueError` occurs because the user inputted `"contra"` (lowercase), which doesn't match any element in the list due to case sensitivity. Python's `remove()` method raises an error when the specified element is not found.
### Key Points
- **Case Sensitivity**: Ensure the user input matches the casing of the list](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec704d3d-c508-4a9c-821e-9d492be4f5f6%2Fc8b13248-8f69-40b8-9e44-02acd906e98a%2Fgfz1k3_processed.png&w=3840&q=75)
Transcribed Image Text:### Python List Manipulation and Error Handling
In this example, we are manipulating a list of Sega games using Python. The code demonstrates how to remove an element from a list based on user input and how Python handles errors if the element is not found.
#### Code Breakdown
```python
g_list = ['Mortal Kombat', 'Contra', 'Streets of Rage', 'Shinobi', 'Sonic', 'Phantasy Star']
```
- **Initialization**: A list `g_list` is defined with several game titles.
```python
# For loop is used to print the list
for i in g_list:
print(i)
```
- **Printing Initial List**: Loops through each item in the list and prints it.
```python
# User is giving the input to remove a certain element from the list
r = input("Which one do you think should be removed? ")
```
- **User Input**: Prompts the user to input the name of a game they wish to remove.
```python
# There is a inbuilt function in python to remove any element from the list
g_list.remove(r)
```
- **Removing an Element**: Attempts to remove the specified game title from the list using the `remove()` method.
```python
# New list of elements is printed after removal
print("Here are the new top Sega games:")
for j in g_list:
print(j)
```
- **Printing Updated List**: Prints the list after attempted removal.
#### Output and Error
- **Output**:
- The initial list is printed.
- The user is prompted to specify a game to remove.
- **Error**:
- The message from the error shown in the console:
```
Traceback (most recent call last):
File "C:\Users\jpala\PycharmProjects\M2A2\M2A2.py", line 19, in <module>
g_list.remove(r)
ValueError: list.remove(x): x not in list
```
- **Error Description**: A `ValueError` occurs because the user inputted `"contra"` (lowercase), which doesn't match any element in the list due to case sensitivity. Python's `remove()` method raises an error when the specified element is not found.
### Key Points
- **Case Sensitivity**: Ensure the user input matches the casing of the list
Expert Solution
Step 1
The reason why you getting this error is because:
You type the name "contra" starting with a small letter, but in code, all the names of the games are written starting with a capital letter.
That's why you getting error.
Otherwise nothing is wrong here.
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