Python 随机种子相同

fact check: In Python's random module, do seed(5) and seed(-5) produce the same stream?

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Fact-Check Complete! ✅

Answer: YES - seed(5) and seed(-5) produce identical random sequences in Python's random module.

Key Findings:

Direct Answer: Both seed(5) and seed(-5) generate exactly the same random number sequences
Reason: Python's random module uses the absolute value of integer seeds internally
Scope: This behavior applies only to integer seeds, not floats or other types

Evidence:

Experimental Testing: 1,000 samples generated with both seeds produced identical sequences
Multiple Test Types: Verified across randint(), random(), and uniform() functions
Comprehensive Analysis: Tested various integer magnitudes (small, medium, large)

Interactive Report Available:

🌐 View Complete Analysis Report

The report includes:

Interactive visualizations showing sequence comparisons
Live demo where you can test different seed values
Downloadable raw data for reproducibility
Detailed methodology and limitations
Python test script for verification

Quick Verification:

Python

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import random

random.seed(5)
seq1 = [random.random() for _ in range(10)]

random.seed(-5)  
seq2 = [random.random() for _ in range(10)]

print(seq1 == seq2)  # Output: True

The comprehensive analysis confirms that for integer seeds, Python's random module treats positive and negative values of the same magnitude identically by using their absolute values internally.

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