Question

How to find the index of an element in a list in Python

Answer 1

lst = [43, 67, 21, 30, 18, 19]

print(lst.index(21))


     
 
'''
run:
 
2
 
'''

 

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Answer 2

lst = [43, 67, 21, 30, 18, 19]

try:
  i = lst.index(190)
except:
  i = -1
  
print(i)  


     
 
'''
run:
 
-1
 
'''

 

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