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find the index of a character in a string python

my_var = 'mummy'. #Find the position of 'm'

#Using find - find returns the index for the first instance from the left.
my_var.find('m')
# Output: 0

#Using rfind - rfind returns the index for the first instance from the right.
my_var.rfind('m')
# Output: 3
# With find() and rfind(), when substring is not found, it returns -1.

#NB: You can use index() and rindex(). In this case, when the substring is not
# found, it raises an exception.
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find charechtar index in string python

myString = 'Position of a character'
myString.find('s')
# 2
myString.find('x')
# -1
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how to get all index of a char of a string in python

word = 'Hello'
to_find = 'l'

# in one line
print([i for i, x in enumerate(word) if x == to_find])
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