Getting started with python strings
1. The resident mechanism of strings
1. What is the string resident mechanism?
2. Several situations of resident mechanism (interactive mode)
3. The advantages and disadvantages of the residency mechanism
2. Common operations of strings
1. String query
2. Case conversion of strings
3. String content alignment
4. String splitting
5. Judge the string
6. Replace and merge character strings
7. String comparison
Three, string slice operation
1. Strings are immutable types
2. Practical drill
Fourth, format string
1. Why do you need a format string
2. Two ways of formatting
3. Practical drill
V. String encoding conversion
1. Why need string encoding conversion
2. Practical drill
6. Summary
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