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projected_fc = "joined"
new_field = "nearby_FLOC"
floc_id_field = "FLOC_ID"

# Add a new field
arcpy.management.AddField(projected_fc, new_field, "TEXT")

# Step 1: Create a dictionary to map OBJECTID to FLOC_ID
floc_id_dict = {}
with arcpy.da.SearchCursor(projected_fc, ["OBJECTID", floc_id_field]) as search_cursor:

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def validate_and_calculate_field(layer, field, expression):

    # Validate field exists
    fields = [f.name for f in arcpy.ListFields(layer)]
    if field not in fields:
        raise ValueError(f"Field {field} does not exist in layer")

    # Validate expression fields exist
    def get_fields_from_expression(expression):
        matches = re.findall(r"!\w+!", expression)

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from calendar import monthrange, day_name
from datetime import datetime, date

def is_saturday(d):
    return day_name[d.weekday()] == "Saturday"


def is_current_month(d):
    return (d.year, d.month) == (datetime.now().year, datetime.now().month)

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import arcpy

fc1 = 'buildings'
fc2 = 'buildings_1'
fields1 = ['osm_id', 'type']
fields2 = ['osm_id', 'test']
libraries = []

# loop through each row in fc1 and add the osm_id to the libraries list
with arcpy.da.SearchCursor(fc1, fields1) as search_cursor:

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layer = 'grid' # if running this script outside of ArcGIS, this should be a full path to a feature class, not a layer name
fields = ['ID'] # this is field which matches the .tif filename

tif_folder = r'c:\my_tifs'
out_folder = r'c:\output'

with arcpy.da.SearchCursor(layer, fields) as cursor:
    for r in cursor: # for each row in the layer:
        print(r[0]) # print the ID
        tif_file = os.path.join(tif_folder,r[0]+'.tif') # get the path to the matching .tif file (c:\my_tifs\01234.tif)

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# blinky vs blinky_gap
# inspired by https://learn.adafruit.com/sipping-power-with-neopixels?view=all

import time
from adafruit_circuitplayground import cp

cp.pixels.brightness = .004

def blinky(color,t=1):
    t = t/10

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# Get a random line from the Zen of Python without a print (preferably for a colorful cow to chant!)

# Replace stdout by an anonymous class that returns nothing on write()
import sys
stdout = sys.stdout
sys.stdout = type('BlackHole', (), {'write': (lambda self, string: '')})()

# This import's output has now been supressed
import this

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import re
strings = ['abc@1@xyz','abc@2@xyz','abc@789@xyz','abc@defghijklmno@xyz']

for text in strings:
    regextest = re.sub("@.*@",str(strings.index(text)),text) # .* means zero or more of any character
    print regextest

'''expected output
abc0xyz
abc1xyz

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#-------------------------------------------------------------------------------
# Title:        Remove all fedlands layers
# Purpose:      Remove all fedlands from MXDs. This script takes an input
#               directory and walks through it, finding all MXDs and searching
#               for fedlands layers
#
# Author:       Esri Support
# Based on:     https://github.com/Esri/developer-support/tree/master/python/arcpy-python/remove-all-basemaps-batch
#
# Created:      10/31/2017

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import glob, os

def batchfile(script_folder, batchfile_folder, pyexe):
    os.chdir(script_folder)
    for file in glob.glob("*.py"):
        script = os.path.splitext(file)[0]
        batch = batchfile_folder+script+".bat"
        with open(batch, 'w+') as f:
            print batch
            f.write("echo executing with "+pyexe+"\n")