Inconsistency with parentheses or brackets- Every programmer needs to be very careful about the amount of open and closed parentheses and brackets that must match for a statement to be readable.

Saving filename same as module name — Every programmer needs to be very careful while saving the filename similar to a module name, and that is utilizing that particular module to call a function in your respective program which replaces the actual existing library module.

Misplacing punctuation- Every programmer needs to be very careful while putting punctuation in the wrong place and creating an entirely different result.

Making a spelling mistake- Every programmer needs to be very careful about spelling errors at times. Ensuring that you use a common approach to naming variables, classes, and functions does help.

Using a single backslash when referencing paths to datasets - Every programmer needs to be very careful while using A single backslash in Python is an escape character that will result in an error.

Using the wrong capitalization- Every programmer needs to be very careful while writing values in code as Python is case-sensitive.

Forgetting colons (:)- Every programmer needs to be very careful while using colons as forgetting a necessary colon will cause Python to throw you a syntax error.

Index Errors- Every programmer needs to be very careful while looping through data and slicing or accessing lists, as having empty lists or dictionaries which will cause you to get Index Error.

Not using comment lines and forgetting what parts of code mean- Every programmer needs to be very careful by using the # character you can create comments that identify or explain what parts of your code mean what.

The first element is Index 0 and not Index 1- Every programmer needs to be very careful while access-list elements, tuple elements, string elements, etc. you need to start counting from 0. So, 1st element is index 0 and 2nd element will be index 1, and so on.