Answers for "how to find the index of an element in a list in python"

43

python find index by value

>>> ["foo", "bar", "baz"].index("bar")
1
Posted by: Guest on November-19-2019
1

find index of sublist in list python

greeting = ['hello','my','name','is','bob','how','are','you','my','name','is']

def find_sub_list(sl,l):
    results=[]
    sll=len(sl)
    for ind in (i for i,e in enumerate(l) if e==sl[0]):
        if l[ind:ind+sll]==sl:
            results.append((ind,ind+sll-1))

    return results

print find_sub_list(['my','name','is'], greeting) 
# [(1, 3), (8, 10)]
Posted by: Guest on October-13-2020
8

find an index of an item in a list python

#Example List
list = ['apples', 'bannas', 'grapes']
#Use Known Entites In The List To Find The Index Of An Unknown Object
Index_Number_For_Bannas = list.index('apples')
#Print The Object
print(list[Index_Number_For_Bannas])
Posted by: Guest on January-02-2020
6

get index of item in list

list.index(element, start, end)
Posted by: Guest on June-30-2020
1

python get index and value from list

test = [ 'test 1', 'test 2', 'test 3' ]
for index, value in enumerate( test ):
  print( index, value )
Posted by: Guest on October-18-2020
0

python get item from list by index

list1 = ['physics', 'chemistry', 1997, 2000];
list2 = [1, 2, 3, 4, 5, 6, 7 ];

print("list1[0]: ", list1[0])
print("list2[1:5]: ", list2[1:5])

# Results:
# list1[0]:  physics
# list2[1:5]:  [2, 3, 4, 5]
Posted by: Guest on July-06-2021

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