SQL Statement Generator for Merging Project Tables

# Hello World program in Python
colnames ="""
Project_ID
Project_Name
County
District
Route
Project_Date
Back_Prefix
Back
Ahead_Prefix
Ahead
PM_KP_U
Comments
ModifiedBY
CreatedBY
Modified
tracking_office
tracking_year
tracking_record
status
rejection_comment
reference_number
contact_email
special_instructions
uploaded_date
Loc
create_date
"""
names = colnames.split()
ltable = "geo_projects"
rtable = "geo_projects_20190313_craig"
#print names
for n in names:  
    print "UPDATE " + ltable + " p"
    print "INNER JOIN " + rtable + " pc ON p.ProjectKey = pc.ProjectKey"
    print "SET p." + n + " = pc." + n
    print "WHERE pc." + n + " IS NOT NULL"
    print "  AND TRIM(pc."+n+") != ''"
    print "  AND pc." + n + " != '0000-00-00'"
    print "  AND pc." + n + " != '0000-00-00 00:00:00'"
    print "  AND ( p." + n + " IS NULL OR p." + n + " != pc." + n + " );"
    print
    print "UPDATE " + ltable + " p"
    print "INNER JOIN " + rtable + " pc ON p.ProjectKey = pc.ProjectKey"
    print "SET p." + n + " = NULL"
    print "WHERE (  pc." + n + " IS NULL"
    print "       OR TRIM(pc." + n + ") = ''"
    print "       OR pc." + n + " = '0000-00-00'"
    print "       OR pc." + n + " = '0000-00-00 00:00:00' )"
    print "  AND p." + n + " IS NOT NULL;"
    print
    print "SELECT p." + n + " p_, pc." + n + " pc_"
    print "FROM " + ltable + " p"
    print "INNER JOIN " + rtable + " pc ON p.ProjectKey = pc.ProjectKey;"
    print "-- " + n + " done ----"
    print