Python find duplicates in a list and count them | Example code

If you want to count duplicates for a given element then use the count() function. Use a counter() function or basics logic combination to find all duplicated elements in a list and count them in Python. Example find duplicates in a list and count them in Python Simple example code. Using count() Get the occurrence Read More…


Find all occurrences of a substring in a string Python | Example code

Python has a built-in string function that Finds all occurrences of a substring in a string, but you could use the more powerful regular expressions. Here is an example find all occurrences of a substring in a string using start() and re.finditer method. You have to import the re module for this example. Output: Read Read More…


Python find all occurrences in the string | Example code

Simply use the powerful regular expressions with list comprehension + start() + finditer() method to find all occurrences in the string in Python. Example find all occurrences in a string Simple example code Output: If you want to find overlapping matches, lookahead will do that: Output: [0, 1, 15, 16, 17] Using While loop Output: Read More…