Python program to replace a substring in a string In python we have a in-built function “replace” which helps to complete our task. Replace function takes three arguments ( two mandatory arguments and ...

Give a string s, count the number of non-empty (contiguous) substrings that have the same number of 0's and 1's, and all the 0's and all the 1's in these substrings are grouped consecutively.

Python's memory model means that some substring operations may create new strings, which can be memory-intensive. Being mindful of this and using in-place operations like slicing can help manage ...