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Answer 
Here are some cool Python tricks:
1. **List Comprehensions**: Create lists in a concise way.
```python
squares = [x**2 for x in range(10)]
```
2. **Unpacking**: Easily unpack lists or tuples.
```python
a, b, *rest = range(5) # a=0, b=1, rest=[2, 3, 4]
```
3. **Lambda Functions**: Write small anonymous functions.
```python
add = lambda x, y: x + y
```
4. **Dictionary Comprehensions**: Create dictionaries concisely.
```python
square_dict = {x: x**2 for x in range(5)}
```
5. **F-strings**: Format strings in a readable way (Python 3.6+).
```python
name = "Alice"
greeting = f"Hello, {name}!"
```
6. **Enumerate**: Get index and value while iterating.
```python
for index, value in enumerate(['a', 'b', 'c']):
print(index, value)
```
7. **Using `set` for Uniqueness**: Remove duplicates easily.
```python
unique_items = list(set([1, 2, 2, 3, 4, 4]))
```
These tricks make Python coding more efficient and elegant.
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