Series.to_csv()

path : string or file handle, default None

File path or object, if None is provided the result is returned as a string.

na_rep : string, default ??

Missing data representation

float_format : string, default None

Format string for floating point numbers

header : boolean, default False

Write out series name

index : boolean, default True

Write row names (index)

index_label : string or sequence, default None

Column label for index column(s) if desired. If None is given, and header and index are True, then the index names are used. A sequence should be given if the DataFrame uses MultiIndex.

mode : Python write mode, default ?w?

sep : character, default ?,?

Field delimiter for the output file.

encoding : string, optional

a string representing the encoding to use if the contents are non-ascii, for python versions prior to 3

date_format: string, default None

Format string for datetime objects.

decimal: string, default ?.?

Character recognized as decimal separator. E.g. use ?,? for European data