Question

How to convert list of tuples into list with Python

Answer 1

lst_tpl = [('python', 1), ('java', 2), ('c#', 3), ('123', '4')] 
  
lst = [item for x in lst_tpl for item in x] 
  
print(lst) 
 
 
 
'''
run:
 
['python', 1, 'java', 2, 'c#', 3, '123', '4']
 
'''

 

70+ SQL courses for beginners and professionals

Answer 2

import itertools 

lst_tpl = [('python', 1), ('java', 2), ('c#', 3), ('123', '4')] 
  
lst = list(itertools.chain(*lst_tpl)) 
  
print(lst) 
 
 
 
'''
run:
 
['python', 1, 'java', 2, 'c#', 3, '123', '4']
 
'''

 

70+ SQL courses for beginners and professionals

Answer 3

lst_tpl = [('python', 1), ('java', 2), ('c#', 3), ('123', '4')] 
  
lst = [] 
  
for tp in lst_tpl: 
    for item in tp: 
        lst.append(item) 
  
print(lst) 
 
 
 
'''
run:
 
['python', 1, 'java', 2, 'c#', 3, '123', '4']
 
'''

 

70+ SQL courses for beginners and professionals

Answer 4

lst_tpl = [('python', 1), ('java', 2), ('c#', 3), ('123', '4')] 
  
lst = list(sum(lst_tpl, ())) 
  
print(lst) 
 
 
 
'''
run:
 
['python', 1, 'java', 2, 'c#', 3, '123', '4']
 
'''

 

70+ SQL courses for beginners and professionals