#     Copyright 2026, Kay Hayen, mailto:kay.hayen@gmail.com find license text at end of file


from __future__ import print_function

x = 1
x += 2

print("Plain in-place:", x)

z = [1, 2, 3]
z[1] += 5

print("List in-place:", z[1])

h = {"a": 3}
h["a"] += 2

print("Dictionary in-place:", h["a"])


class B:
    a = 1


B.a += 2

print("Class attribute in-place:", B.a)

h = [1, 2, 3, 4]
h[1:2] += (2, 3)

print("List 'sclice' in-place [x:y]", h)

h[:1] += (9, 9)

print("List 'sclice' in-place [:y]", h)

h[2:] += (6, 6)

print("List 'sclice' in-place [y:]", h)

h[:] += (5, 5, 5)

print("List 'sclice' in-place [:]", h)

#     Python tests originally created or extracted from other peoples work. The
#     parts were too small to be protected.
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.
