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Input for user choose his Collatz sequence #5080

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Input for user choose his Collatz sequence #5080

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5 changes: 2 additions & 3 deletions maths/collatz_sequence.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ def collatz_sequence(n: int) -> list[int]:
obtained as follows:
If n term is even, the next term is: n / 2 .
If n is odd, the next term is: 3 * n + 1.

The conjecture states the sequence will always reach 1 for any starting value n.
Example:
>>> collatz_sequence(2.1)
Expand All @@ -34,10 +33,10 @@ def collatz_sequence(n: int) -> list[int]:


def main():
n = 43
n = int(input("Your number: "))
sequence = collatz_sequence(n)
print(sequence)
print(f"collatz sequence from {n} took {len(sequence)} steps.")
print(f"Collatz sequence from {n} took {len(sequence)} steps.")


if __name__ == "__main__":
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