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 vote333 views1 answer
Python von konsoleeinlesen
Python
1 vote374 views1 answer
Curso python
Python
0 vote342 views1 answer
Add vertical line in plot python
Python
1 vote308 views1 answer
Python division by zero
Python
0 vote309 views1 answer
Get difference of images python
Python
1 vote304 views1 answer
Rum system commands python
Python
6 votes303 views1 answer
How to get the calendar of current month in python
Python
0 vote329 views1 answer
How many orders has customer made database python
Python
1 vote352 views1 answer
How to append to every second item in list python
Python
0 vote319 views1 answer
Convert_text_to_hexadecimal_viva.py in python
Python