摘要：Python Lambda Python lambda: an expression form that generates function objects. anonymous (i.e., unnamed) function lambda is designed for coding simp 阅读全文

摘要：Python Tuples Python tuples are ordered collections of arbitrary objects immutable sequence why do we need tuples if we have lists? list as a data str 阅读全文

摘要：Python Files In short, the built in function creates a Python file object, which serves as a link to an external file residing on your machine. what i 阅读全文

摘要：Python Lists Python lists are ordered collections of arbitrary objects mutable sequence mutable: can be changed in place sequence operations: indexing 阅读全文

摘要：Python Dictionaries Python Dictionaries are unordered collections of arbitrary objects built in mutable mapping that maps keys to values in dictionari 阅读全文