find index of element in list in python code example
Example 1: get index of list python
list.index(element)
Example 2: 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)]
Example 3: get index of item in list
list.index(element, start, end)
Example 4: how to index python
#you can index in a string like:
string='cupcake'
string[0]#returns 'c'
#you can index in a list like:
list = ['red', 'blue', 'green']
list[0]#returns 'red'
list[0][0]#returns[0] of 'red' wich is r