diff --git a/bindings/python/example_scripts/account_analysis.py b/bindings/python/example_scripts/account_analysis.py
index b7e59966a6..bbe6532f71 100644
--- a/bindings/python/example_scripts/account_analysis.py
+++ b/bindings/python/example_scripts/account_analysis.py
@@ -117,7 +117,7 @@ def next_period_start(start_year, start_month, period_type):
 def period_end(start_year, start_month, period_type):
     if period_type not in PERIODS:
         raise Exception("%s is not a valid period, should be %s" % (
-                period_type, str(PERIODS.keys()) ) )
+                period_type, str(list(PERIODS.keys())) ) )
 
     end_year, end_month = next_period_start(start_year, start_month,
                                             period_type)
diff --git a/bindings/python/example_scripts/gnc_convenience.py b/bindings/python/example_scripts/gnc_convenience.py
index 808ab38869..2d222379a1 100644
--- a/bindings/python/example_scripts/gnc_convenience.py
+++ b/bindings/python/example_scripts/gnc_convenience.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # -*- coding: UTF-8 -*-
 
 ##@file
diff --git a/bindings/python/example_scripts/latex_invoices.py b/bindings/python/example_scripts/latex_invoices.py
index f015261b0d..f754bc1d24 100644
--- a/bindings/python/example_scripts/latex_invoices.py
+++ b/bindings/python/example_scripts/latex_invoices.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 ##@file
diff --git a/bindings/python/example_scripts/new_book_with_opening_balances.py b/bindings/python/example_scripts/new_book_with_opening_balances.py
index 0ee02c4031..8e21440a05 100644
--- a/bindings/python/example_scripts/new_book_with_opening_balances.py
+++ b/bindings/python/example_scripts/new_book_with_opening_balances.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # new_book_with_opening_balances.py -- Replicate the account structure of a
 # book and apply basis opening balances from the original
@@ -334,7 +334,7 @@ def main():
             simple_opening_name_used = False
 
         for (namespace, mnemonic), (opening_trans, opening_amount) in \
-                opening_balance_per_currency.iteritems() :
+                opening_balance_per_currency.items() :
             simple_opening_name_used = create_opening_balance_transaction(
                 commodtable, namespace, mnemonic,
                 new_book_root, new_book,
diff --git a/bindings/python/example_scripts/priceDB_test.py b/bindings/python/example_scripts/priceDB_test.py
index 7af031072a..8ec671500d 100644
--- a/bindings/python/example_scripts/priceDB_test.py
+++ b/bindings/python/example_scripts/priceDB_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Test file for price database stuff
 # To update the price database call
 # $PATH/gnucash  --add-price-quotes $PATHTOFILE
diff --git a/bindings/python/example_scripts/price_database_example.py b/bindings/python/example_scripts/price_database_example.py
index 13b0d453a0..49c5d28d91 100755
--- a/bindings/python/example_scripts/price_database_example.py
+++ b/bindings/python/example_scripts/price_database_example.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Another test file for price database stuff
 # To update the price database call
 # $PATH/gnucash  --add-price-quotes $PATHTOFILE
diff --git a/bindings/python/example_scripts/quotes_historic.py b/bindings/python/example_scripts/quotes_historic.py
index c78995abc7..16394b1890 100644
--- a/bindings/python/example_scripts/quotes_historic.py
+++ b/bindings/python/example_scripts/quotes_historic.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # quotes_historic.py -- Example Script to read historic quote data into gnucash
 #
diff --git a/bindings/python/example_scripts/rest-api/gnucash_rest.py b/bindings/python/example_scripts/rest-api/gnucash_rest.py
index 3ee4ad83ff..d87a15679b 100644
--- a/bindings/python/example_scripts/rest-api/gnucash_rest.py
+++ b/bindings/python/example_scripts/rest-api/gnucash_rest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 '''
 
@@ -843,7 +843,7 @@ def getSubAccounts(account):
 
     flat_accounts = []
 
-    if 'subaccounts' in account.keys():
+    if 'subaccounts' in list(account.keys()):
         for n, subaccount in enumerate(account['subaccounts']):
             flat_accounts.append(subaccount)
             flat_accounts = flat_accounts + getSubAccounts(subaccount)
@@ -1824,7 +1824,7 @@ def gnc_numeric_from_decimal(decimal_value):
     numerator_place_value = 1
     # add each digit to the final value multiplied by the place value
     # from least significant to most sigificant
-    for i in xrange(len(digits)-1,-1,-1):
+    for i in range(len(digits)-1,-1,-1):
         numerator += digits[i] * numerator_place_value
         numerator_place_value *= TEN
 
diff --git a/bindings/python/example_scripts/simple_book.py b/bindings/python/example_scripts/simple_book.py
index 4bde60817e..9a6040b928 100644
--- a/bindings/python/example_scripts/simple_book.py
+++ b/bindings/python/example_scripts/simple_book.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 ##  @file
 #   @brief Simple example for a book 
diff --git a/bindings/python/example_scripts/simple_business_create.py b/bindings/python/example_scripts/simple_business_create.py
index 75a00228bb..ade0887ad7 100644
--- a/bindings/python/example_scripts/simple_business_create.py
+++ b/bindings/python/example_scripts/simple_business_create.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # simple_business_create.py -- Set up a set of books for business feature use
 #
diff --git a/bindings/python/example_scripts/simple_invoice_insert.py b/bindings/python/example_scripts/simple_invoice_insert.py
index ad4d7fd0e4..63633d72cb 100644
--- a/bindings/python/example_scripts/simple_invoice_insert.py
+++ b/bindings/python/example_scripts/simple_invoice_insert.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # simple_invoice_insert.py -- Add an invoice to a set of books
 #
diff --git a/bindings/python/example_scripts/simple_session.py b/bindings/python/example_scripts/simple_session.py
index ee053123c7..3bd219c9c9 100644
--- a/bindings/python/example_scripts/simple_session.py
+++ b/bindings/python/example_scripts/simple_session.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ##  @file
 #   @brief Example Script simple session
 #   @ingroup python_bindings_examples
@@ -14,7 +14,7 @@ FILE_2 = "/tmp/example_file.xac"
 session = None
 try:
     session = Session(FILE_1)
-except GnuCashBackendException, backend_exception:
+except GnuCashBackendException as backend_exception:
     assert( ERR_FILEIO_FILE_NOT_FOUND in backend_exception.errors)
 
 
@@ -28,7 +28,7 @@ session.destroy()
 session = Session(FILE_2)
 try:
     session_2 = Session(FILE_2)
-except GnuCashBackendException, backend_exception:
+except GnuCashBackendException as backend_exception:
     assert( ERR_BACKEND_LOCKED in backend_exception.errors )
 session.end()
 session.destroy()
diff --git a/bindings/python/example_scripts/simple_sqlite_create.py b/bindings/python/example_scripts/simple_sqlite_create.py
index f3621ec38a..7900c9534d 100644
--- a/bindings/python/example_scripts/simple_sqlite_create.py
+++ b/bindings/python/example_scripts/simple_sqlite_create.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ##  @file
 #   @brief Example Script simple sqlite create 
 #   @ingroup python_bindings_examples
diff --git a/bindings/python/example_scripts/simple_test.py b/bindings/python/example_scripts/simple_test.py
index 274164168d..9bc21789e6 100644
--- a/bindings/python/example_scripts/simple_test.py
+++ b/bindings/python/example_scripts/simple_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ## @file
 # @brief Creates a basic set of accounts and a couple of transactions
 # @ingroup python_bindings_examples