The Python Apprentice

Summary

• Tuples are immutable sequence types

  • Literal syntax is optional parentheses around a comma-separated list.

  • Notable syntax for single element tuples utilizing the trailing comma.

  • Tuple unpacking - useful for multiple return values and swapping

• Strings

  • String concatenation is most efficiently performed with the join() method rather than the addition or augmented assignment operators.

  • The partition() method is a useful and elegant string parsing tool.

  • The format() method provided a powerful means of replacing placeholders with stringified values.

• Ranges

  • The range objects represent arithmetic progressions.

  • The enumerate() built-in function is often a superior alternative to range() for generating loop counters ...