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psf/black code formatting (#1277)

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This commit is contained in:
William Zhang
2019-10-05 01:14:13 -04:00
committed by Christian Clauss
parent 07f04a2e55
commit 9eac17a408
291 changed files with 6014 additions and 4571 deletions
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11
maths/collatz_sequence.py
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@ -10,10 +10,10 @@ def collatz_sequence(n):
"""
sequence = [n]
while n != 1:
if n % 2 == 0:# even
n //= 2
if n % 2 == 0: # even
n //= 2
else:
n = 3*n +1
n = 3 * n + 1
sequence.append(n)
return sequence
@ -22,7 +22,8 @@ def main():
n = 43
sequence = collatz_sequence(n)
print(sequence)
print("collatz sequence from %d took %d steps."%(n,len(sequence)))
print("collatz sequence from %d took %d steps." % (n, len(sequence)))
if __name__ == '__main__':
if __name__ == "__main__":
main()