A Python program is read by a parser. Input to the parser is a stream of tokens, generated by the lexical analyzer(also known as the tokenizer). This chapter describes how the lexical analyzer brea...| Python documentation
Two-dimensional, size-mutable, potentially heterogeneous tabular data.| pandas.pydata.org
This chapter explains the meaning of the elements of expressions in Python. Syntax Notes: In this and the following chapters, extended BNF notation will be used to describe syntax, not lexical anal...| Python documentation