Answers for "index() in python"

19

python index method

my_string = "Hello World!"

my_string.index("l") # outputs 2
# this method only outputs the index of the first "l" value in the string/list
Posted by: Guest on June-07-2020
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'))
Posted by: Guest on July-18-2021
0

python index

animals = ['cat', 'dog', 'rabbit', 'horse']

# get the index of 'dog'
index = animals.index('dog')


print(index)

# Output: 1
Posted by: Guest on August-09-2021
0

python, list, index function

# vowels list
vowels = ['a', 'e', 'i', 'o', 'i', 'u']

# index of 'e' in vowels
index = vowels.index('e')
print('The index of e:', index)

# element 'i' is searched
# index of the first 'i' is returned
index = vowels.index('i')

print('The index of i:', index)
Posted by: Guest on September-28-2020
-1

index error in python

# IndexError comes because you are trying to get the item that don't exists 
# it means if you ant to get the numbers

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9 10]
length_of_numbers = len(numbers)

printnumbers(length_of_numbers)		# raises IndexError because the len() 
# function starts counting from 1 but the index sarts counting from 0
Posted by: Guest on December-31-2020

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