sscasc@tumkur inside the moduleconstants are written in all capital letters and underscores separating the words eg create constant py pi literals literal is raw data given in variable or constant in pythonthere are various types of literals they are as followsa numeric literals numeric literals are immutable (unchangeablenumeric literals can belong to different numerical types integerfloat and complex = = = integer literal float literal complex literal string literals string literal is sequence of characters surrounded by quotes we can use both singledouble or triple quotes for string character literal is single character surrounded by single or double quotes str="sscasctc boolean literals boolean literal can have any of the two valuestrue or false =true =false special literalspython contains one special literal none we use it to specify to that field that is not created =none data typesa data type represents the type of data stored into variable or memory there are different data types arenone type numeric type sequences sets dictionary sp_python programming