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  1. def x(n):
  2.     a = 1
  3.     for i in range(1, n+1):
  4.         a = a * (i - 1) + i
  5.     return a
  6.  
  7. # Assuming the input for n will be given here
  8. n = int(input("Enter a number: "))
  9. result = x(n)
  10. print(result)
  11.  
Runtime error #stdin #stdout #stderr 0.15s 25784KB
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stdin
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Standard input is empty
stdout
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Enter a number:
stderr
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Traceback (most recent call last):
  File "./prog.py", line 8, in <module>
EOFError: EOF when reading a line
https://ideone.com/IT7YmY
language:
Python 3 (python  3.12)
created:
1 year ago
visibility:
secret

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