Strings

Concatenating a number with a string requires str(), while f-strings perform the conversion automatically. Strings represent text data. The split() method breaks a string on a delimiter and returns a list. Two strings are joined with the plus operator. String methods such as replace() return a new string instead of modifying the original in place. Every string operation produces a new memory allocation containing the transformed text. Strings are important in trading code because file and API data often arrives as strings that require processing and conversion.