My arcpy (python)

#command
    #Argument option description

import arcpy

#Loading shapefile properties
arcpy.Describe() #The return value is a describe object

#Add field
arcpy.AddField_management()
    #First argument: Table to add fields(Shapefile)
    #Second argument: Name of the field to add
    #Third argument: Data type of the field to be added

#Copy of shape file etc.
arcpy.Copy_management()
    #Files to be copied
    #Copy destination path

#Creating a feature class
arcpy.management.CreateFeatureclass()
    #First argument: Output path
    #Second argument: Output class name
    #geometrytype=type
    #spatial_reference=Spatial object to use

#Field arithmetic
arcpy.CalculateField()
    #First argument: table to calculate
    #Second argument: Field to calculate
    #Third argument: arithmetic expression

#Create a feature class from table point data
arcpy.management.XYTableToPoin()
    #First argument: Table to read
    #Second argument: Path to create
    #Third argument: X
    #Third argument: y

#Add field to class
arcpy.AddField_management()
    #First argument: Addition destination class
    #Second argument: field name
    #Third argument: Type of field to add
    #field_length =Field width
    #field_alias =alias

#Convert field to date field

arcpy.ConvertTimeField_management()
    #First argument: Target class
    #Second argument: Target field
    #input_time_format=Date format. If you make a slight mistake, you will make a mistake in reading.
    #output_time_field=Output destination field. You can make a new one.


#Process point data into line data
arcpy.PointsToLine_management()
    #First argument: input class
    #Second argument: output class
    #linefield=Fields that connect as lines
    #sortfield=Field to sort

#Field arithmetic
arcpy.AddField_management()
    #First argument: File to perform operation
    #Second argument: Field to perform operation
    #Third argument: SQL formula

#Add geometry attributes
arcpy.AddFeometryAttributes()
    #First argument: Feature class to add attributes
    #Second argument: attribute or shape property
    Length_Unit = #Unit of length

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