Here are some tips to optimize your Python code:
- Use built-in functions and libraries like map() which are implemented in C code. So the interpreter doesn’t have to execute them in Python.
- Use keys for sorts. In Python, we should use the key argument to the built-in sort instead, which is a faster way to sort.
- Optimize loops. Loops can be optimized by using list comprehensions or generators instead of for loops.
- Apply the Peephole Optimization Technique. This technique optimizes code behind the scenes by pre-calculating constant expressions or by using membership tests.
- Profile your code. Profiling helps you identify which parts of your code are taking up the most time and resources.
- Intern strings for efficiency. String objects in Python are sequences of Unicode characters, so they are called sequences of characters. Interning strings can help reduce memory usage and improve performance.

In addition to these tips, you can also use Cython or Numba to speed up your code if you have performance-critical sections.
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