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Python - Replace duplicate Occurrence in String
When it is required to replicate the duplicate occurrence in a string, the keys, the ‘index’ method and list comprehension can be used.
The list comprehension is a shorthand to iterate through the list and perform operations on it.
The ‘index’ method returns the index of the specific value/iterable,
Below is a demonstration for the same −
Example
my_str = 'Jane is the best . Jane loves to cook. Jane and Will cook together'
print("The string is : ")
print(my_str)
replace_dict = {'Jane' : 'She' }
my_list = my_str.split(' ')
my_result = ' '.join([replace_dict.get(val) if val in replace_dict.keys() and my_list.index(val) != idx else val for idx, val in enumerate(my_list)])
print("The string after replacing with values is : ")
print(my_result)Output
The string is : Jane is the best . Jane loves to cook. Jane and Will cook together The string after replacing with values is : Jane is the best . She loves to cook. She and Will cook together
Explanation
- A string is defined, and is displayed on the console.
- The dictionary with the help of which values need to be replaced is defined.
- The keys of the dictionary are accessed, and are replaced with the specific values.
- This operation’s data is assigned to a variable.
- It is then displayed as output on the console.
Updated on: 11-Mar-2021
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