Python indexing

Index in python

#index with eval()
k=eval(input("enter the list"))
for i in range(len(k)):
    print(k[i],"-->forward index",i,"backward index",-(len(k)-i))
#output
enter the list[1,9,5,7]
1 --> forward index 0 backward index -4
9 --> forward index 1 backward index -3
5 --> forward index 2 backward index -2
7 --> forward index 3 backward index -1

What is the index in python

1) how to find index of a word in a string:
  my_string = "Hello World!"

  my_string.index("l")

2) how to find the first occurance of a word in a string:
  print(verse.index('and'))
  
  
 3)how to find the last occurance of a word in a string:
  print(verse.rindex('you'))

Python indexing

>>> word = 'Python'
>>> word[0]  # character in position 0
'P'
>>> word[5]  # character in position 5
'n'

Source: docs.python.org

Similar codes

0 vote138 views1 answer
Pyglet on close
Python
0 vote160 views2 answers
Django run command from code
Python Django
1 vote128 views1 answer
Python - count values that contain special characters
Python
4 votes112 views1 answer
Pandas ttable with sum totals
Python
0 vote140 views1 answer
Pandas join tables based on column of different length
Python
-3 votes118 views2 answers
Python list of characters
Python
0 vote115 views1 answer
Animal quiz game in python
Python
1 vote167 views3 answers
Management commands django
Python Django
0 vote137 views1 answer
How to pause a thread in python
Python
0 vote119 views1 answer
How to move a specific row to last row in python
Python