Question

How to clear a list in Python

Answer 1

lst = [1 ,2, 3, 'nan', 4, 5, 'nan', float('nan')]

print(lst)

lst.clear()

print(lst)
 
 
      
  
'''
run:
  
[1, 2, 3, 'nan', 4, 5, 'nan', nan]
[]
  
'''

 

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Answer 2

lst = [1 ,2, 3, 'nan', 4, 5, 'nan', float('nan')]

print(lst)

lst = []

print(lst)
 
 
      
  
'''
run:
  
[1, 2, 3, 'nan', 4, 5, 'nan', nan]
[]
  
'''

 

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Answer 3

lst = [1 ,2, 3, 'nan', 4, 5, 'nan', float('nan')]

print(lst)

del lst[:]

print(lst)
 
 
      
  
'''
run:
  
[1, 2, 3, 'nan', 4, 5, 'nan', nan]
[]
  
'''

 

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Answer 4

lst = [1 ,2, 3, 'python', 4, 5, 'nan', float('nan')]

print(lst)

lst[:] = []

print(lst)
 
 
      
  
'''
run:
  
[1, 2, 3, 'python', 4, 5, 'nan', nan]
[]

'''

 

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