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A1 notation converter

The A1 notation converter library allows the user to convert integer to its A1 notation form and vice versa. In this context, the A1 notation refer to the syntax used in spreadsheet program such as Google Sheets and Microsoft Excel to represent the index of column within the spreadhseet.
E.g. 'G' represents 7th column, 'AZ' represents 52th column.


Installation

Installation of this library can be done with Python pip:
pip install a1-notation-converter


Example

Converting integer to A1 notation

int_to_a1(1)       # return "A"
int_to_a1(27)      # return "AA"
int_to_a1(731)     # return "ABC"

Converting A1 notation to integer

a1_to_int("A")      # return 1
a1_to_int("AA")     # return 27
a1_to_int("CBA")    # return 2081

Documentation

int_to_a1( ) Syntax: int_to_a1(number : int, starting_index : int = 1) -> str

Arguments:

  • number: The integer that is going to be converted to A1 notation.
  • starting_index: Specify whether the A1 notation 'A' represents the 0th column or 1st column. Default to starting_index = 1.

Return:
A string represents the A1 notation of the given integer.

a1_to_int() Syntax: a1_to_int(a1_notation : str) -> int

Arguments:

  • a1_notation: The string that is going to be converted to integer representation.

Return:
An integer represents the number value of the given string.

Metadata

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