When should you use a shallow copy versus a deep copy?

Although possible, creating variable names dynamically is real bad idea. Use proper data structures like dict, list, etc. instead. May 5, 2017 ... @LaughU my_new_dir = dir() is just giving you a reference to dir() , so if you add a new local variable, it will also be added to my_new_dir . The loop variable, number , is what changes for each iteration of the loop. The “current thing”. Loop variables can be called anything. As with all variables, ... A variable is a label for a location in memory. It can be used to hold a value. In statically typed languages, variables have predetermined types. Jul 29, 2022 ... I hope somebody can explain how classes muddle with variable scopes. At first glance, it looked like a class declaration creates a jail blocking against upper ... Oct 10, 2020 ... Python variable in json payload. Hello,. I am not JSON expert so I am looking for help. I want to pass on a python variable to payload in JSON ... You can use a dot ( . ) to access attributes of a variable in addition to the standard Python __getitem__ “subscript” syntax ( [] ). The following lines do the ... Sep 6, 2022 ... _ can be used in place of a “dummy” variable both in loops and assignment statements where a function returns multiple values, and you want to ignore one or ... In Python, all variables are pointers to objects. If you assign the same object to multiple variables, every one of those variables references (points to) the ... Aug 19, 2020 ... This course aims to introduce you to programming in Python, but also to good programming practices. These comprise practical tips based on practices used by ...