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  1. a = list(map(int,input().split()))
  2. for i in range(1,len(a),2):
  3. 	if (a[i-1]<a[i]):
  4. 		(a[i-1],a[i])=a[i],a[i-1]
  5. print(a)
Success #stdin #stdout 0.02s 9164KB
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stdin
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1 2 3 4 5
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[2, 1, 4, 3, 5]
https://ideone.com/GGYHeW
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
public

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