Snippets to work with feature class fields in Python and arcpy

snippet-fc-fields.py

import arcpy
featureClass = "c:/path/Geodatabase.gdb/fc"

# Get a list of field objects from a feature class
fcFields = arcpy.ListFields(featureClass)

# Print the field names, types and lengths using string formatting
for field in fcFields:
    print("{0}: type = {1} length = {2}".format(field.name, field.type, field.length))
    
# Get a list of field names from a feature class using list comprehension
fieldNames = [field.name for field in arcpy.ListFields(featureClass)]