This page outlines key string concepts such as their definition, immutability, and comparison through ASCII values. It introduces essential string methods (len(), upper(), lower(), count(), find(), in...This page outlines key string concepts such as their definition, immutability, and comparison through ASCII values. It introduces essential string methods (len(), upper(), lower(), count(), find(), index(), format(), join(), split()) for manipulation and analysis. The "in" operator for substring validation is also discussed, along with its application in loops. Readers will gain the skills necessary for effective string handling in programming.