To classify numbers in Python, you need to define the criteria or rules for classification. Here are a few common ways to classify numbers based on different criteria:

- Even or Odd: You can classify numbers as even or odd based on whether they are divisible by 2. Here’s an example:

```
def classify_even_odd(number):
if number % 2 == 0:
return "Even"
else:
return "Odd"
# Example usage:
print(classify_even_odd(7)) # Output: Odd
print(classify_even_odd(12)) # Output: Even
```

- Positive, Negative, or Zero: You can classify numbers as positive, negative, or zero based on their sign. Here’s an example:

```
def classify_sign(number):
if number > 0:
return "Positive"
elif number < 0:
return "Negative"
else:
return "Zero"
# Example usage:
print(classify_sign(-5)) # Output: Negative
print(classify_sign(0)) # Output: Zero
print(classify_sign(8)) # Output: Positive
```

- Prime or Composite: You can classify numbers as prime or composite based on whether they have factors other than 1 and themselves. Here’s an example:

```
def is_prime(number):
if number < 2:
return False
for i in range(2, int(number ** 0.5) + 1):
if number % i == 0:
return False
return True
# Example usage:
print(is_prime(7)) # Output: True
print(is_prime(12)) # Output: False
```

These are just a few examples of how you can classify numbers in Python. The specific criteria and rules for classification will depend on your requirements and the problem you’re trying to solve.

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