add code for bytes to strings article (#714)

* add code for bytes to strings article

* Fix indentation

* Add README

* Final QA

---------

Co-authored-by: Philipp <filip.axani+github@gmail.com>
Co-authored-by: Bartosz Zaczyński <bartosz.zaczynski@gmail.com>

Author: 3 people

python-bytes-to-strings/README.md

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+# How to Convert Bytes to Strings in Python
+
+The materials contained in this folder are designed to complement the Real Python tutorial [How to Convert Bytes to Strings in Python](https://realpython.com/convert-python-bytes-to-strings/).

python-bytes-to-strings/decode_bytes1.py

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+from urllib.request import urlopen
+
+url = "https://example.com/"
+
+with urlopen(url) as response:
+    raw_bytes: bytes = response.read()
+
+print("Bytes:", raw_bytes[:100])

python-bytes-to-strings/decode_bytes2.py

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+from urllib.request import urlopen
+
+url = "https://example.com/"
+
+with urlopen(url) as response:
+    raw_bytes: bytes = response.read()
+
+print("Bytes:", raw_bytes[:100])
+print("String:", raw_bytes[:100].decode())

python-bytes-to-strings/error_handling.py

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+encoded_text = b"d\xe9j\xe0 vu"
+
+print(f"{encoded_text.decode("utf-8", errors="ignore") = }")
+print(f"{encoded_text.decode("utf-8", errors="replace") = }")
+print(f"{encoded_text.decode("utf-8", errors="backslashreplace") = }")
+print(f"{encoded_text.decode('utf-8')}")

python-bytes-to-strings/mixup.py

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+raw_bytes = b"These are some interesting bytes"
+raw_bytes.replace("y", "o")