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  1. import random
  2.  
  3. List1 = ["ABC", "DEF"]
  4. List2 = ["GHI", "JKL"]
  5. List3 = ["MNO", "PQR"]
  6.  
  7. def choose():
  8.    Choice1 = random.choice(List1)
  9.    Choice2 = random.choice(List2)
  10.    Choice3 = random.choice(List3)
  11.    List1.remove(Choice1)
  12.    List2.remove(Choice2)
  13.    List3.remove(Choice3)
  14.    print (Choice1)
  15.    print (Choice2)
  16.    print (Choice3)
  17.    choose()
  18.  
  19. choose()
Runtime error #stdin #stdout #stderr 0.02s 37976KB
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stdin
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Standard input is empty
stdout
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ABC
GHI
PQR
DEF
JKL
MNO
stderr
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Traceback (most recent call last):
  File "/usr/lib/python3.5/random.py", line 262, in choice
    i = self._randbelow(len(seq))
  File "/usr/lib/python3.5/random.py", line 239, in _randbelow
    r = getrandbits(k)          # 0 <= r < 2**k
ValueError: number of bits must be greater than zero

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "./prog.py", line 19, in <module>
  File "./prog.py", line 17, in choose
  File "./prog.py", line 17, in choose
  File "./prog.py", line 8, in choose
  File "/usr/lib/python3.5/random.py", line 264, in choice
    raise IndexError('Cannot choose from an empty sequence')
IndexError: Cannot choose from an empty sequence
https://ideone.com/EONKGN
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
public

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