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Which of the following methods is used to convert a string to uppercase in Python?
- a)toUpper()
- b)upper()
- c)uppercase()
- d)to_uppercase()
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following methods is used to convert a string to uppercas...
The upper() method is used to convert a string to uppercase in Python. It returns a new string with all alphabetic characters converted to uppercase.
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Which of the following methods is used to convert a string to uppercas...
String Conversion in Python
In Python, converting a string to uppercase can be achieved using the built-in method `upper()`. This method is part of the string class and is widely used due to its simplicity and effectiveness.
Why `upper()` Works
- Functionality: The `upper()` method returns a new string where all the lowercase letters in the original string are converted to uppercase. It does not modify the original string, as strings in Python are immutable.
- Usage: To use the `upper()` method, you simply call it on a string object. For example:
python
original_string = "hello"
upper_string = original_string.upper()
print(upper_string) # Output: HELLO
Understanding Other Options
- toUpper(): This method does not exist in Python. It may be familiar in other programming languages but is not applicable here.
- uppercase(): Similarly, there is no `uppercase()` method in Python. This may cause confusion but is simply not part of the string methods in Python.
- to_uppercase(): Like the previous two, this method is not available in Python, and using it will result in an `AttributeError`.
Conclusion
In summary, the correct method to convert a string to uppercase in Python is `upper()`. This method is efficient, easy to use, and a fundamental aspect of string manipulation in the language. Understanding these details can significantly enhance your coding proficiency in Python.
In Python, converting a string to uppercase can be achieved using the built-in method `upper()`. This method is part of the string class and is widely used due to its simplicity and effectiveness.
Why `upper()` Works
- Functionality: The `upper()` method returns a new string where all the lowercase letters in the original string are converted to uppercase. It does not modify the original string, as strings in Python are immutable.
- Usage: To use the `upper()` method, you simply call it on a string object. For example:
python
original_string = "hello"
upper_string = original_string.upper()
print(upper_string) # Output: HELLO
Understanding Other Options
- toUpper(): This method does not exist in Python. It may be familiar in other programming languages but is not applicable here.
- uppercase(): Similarly, there is no `uppercase()` method in Python. This may cause confusion but is simply not part of the string methods in Python.
- to_uppercase(): Like the previous two, this method is not available in Python, and using it will result in an `AttributeError`.
Conclusion
In summary, the correct method to convert a string to uppercase in Python is `upper()`. This method is efficient, easy to use, and a fundamental aspect of string manipulation in the language. Understanding these details can significantly enhance your coding proficiency in Python.
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Which of the following methods is used to convert a string to uppercase in Python?a)toUpper()b)upper()c)uppercase()d)to_uppercase()Correct answer is option 'B'. Can you explain this answer?
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