ProjectionBasics

"""
This Code projects all feature classes from a specific directory
into feature class BlkGrpDemographics2012's WGS 1984 Web Mercator
Auxiliary Sphere projection system
___author___ = Meghan Kulkarni <meghankulkarni2733@gmail.com>
"""

from tkinter import filedialog

import arcpy
from arcpy import env

flag = 0
while flag == 0:

    # This logic is from Stackoverflows below is link
    # http://stackoverflow.com/questions/9319317/quick-and-easy-file-dialog-in-python
    file_path = filedialog.askdirectory()

    # print(file_path)

    env.workspace = file_path

    outCS = arcpy.SpatialReference(3857)

    if arcpy.ListFeatureClasses():
        # print(arcpy.ListFeatureClasses())
        for x in arcpy.ListFeatureClasses():
            arcpy.Project_management(x,
                                     "C:\\Users\\msk160530\\Documents\\"
                                     "ArcGIS\\Projects\\MeghanK"
                                     "\\MeghanK.gdb\\" + x,
                                     outCS)
            flag = 1
    else:
        print("No Feature Classes found....")