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Questions and Answers
Which of the following is a valid escape sequence in Python?
Which of the following is a valid escape sequence in Python?
- \d
- \a
- \c
- \b (correct)
What is the purpose of the Len function in Python?
What is the purpose of the Len function in Python?
- To access specific characters in a string
- To get the length of a string (correct)
- To concatenate strings together
- To convert a string to lowercase
What is the syntax for accessing a specific character in a string using the square bracket notation?
What is the syntax for accessing a specific character in a string using the square bracket notation?
- string{index}
- string(index)
- string|index|
- string[index] (correct)
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Study Notes
Working with Strings in Python
- When working with text in Python, quotes should surround the text.
- Triple quotes can be used to format long strings, such as for emails.
- The built-in Len function can be used to get the length of a string.
- The square bracket notation can be used to access specific characters in a string.
- Strings are 0-indexed in Python.
- Slicing can be performed on strings using the start and end index.
- A backslash is an escape character used to escape characters in a string.
- Other escape sequences in Python include ", ', \, and \n.
- Concatenation can be used to join strings together.
- Formatted strings can be used to insert variables into a string.
- Python has specific string methods, including upper, lower, title, strip, L strip, R strip, find, replace, in, and not in.
- These string methods can be accessed using the dot notation.
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