diff --git a/bigos/lecture20241203a/Directions.txt b/bigos/lecture20241203a/Directions.txt
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+
+How to Create a Virtual Environment
+===================================
+
+Mac OS X & Linux
+----------------
+
+python3 -m venv venv
+
+Windows (Anaconda Prompt)
+--------------------------
+
+python -m venv venv
+
+
+
+How to Activate the Virtual Environment
+===================================
+
+Mac OS X & Linux
+----------------
+
+deactivate
+
+Windows (Anaconda Prompt)
+--------------------------
+
+deactivate
+
+
+Sample Dialogs
+===============
+
+Windows (Anaconda Prompt)
+--------------------------
+
+
+(base) C:\Users\edbigos>mkdir project01
+A subdirectory or file project01 already exists.
+
+(base) C:\Users\edbigos>cd project01
+
+(base) C:\Users\edbigos\project01>python -m venv venv
+
+(base) C:\Users\edbigos\project01>venv\Scripts\activate
+
+(venv) (base) C:\Users\edbigos\project01>pip freeze
+
+(venv) (base) C:\Users\edbigos\project01>python --version
+Python 3.11.5
+
+(venv) (base) C:\Users\edbigos\project01>which python
+'which' is not recognized as an internal or external command,
+operable program or batch file.
+
+(venv) (base) C:\Users\edbigos\project01>pip install segno
+Collecting segno
+  Obtaining dependency information for segno from https://files.pythonhosted.org/packages/27/7c/abc460494640767edfce9c920da3e03df22327fc5e3d51c7857f50fd89c4/segno-1.6.1-py3-none-any.whl.metadata
+  Downloading segno-1.6.1-py3-none-any.whl.metadata (7.9 kB)
+Downloading segno-1.6.1-py3-none-any.whl (73 kB)
+   ---------------------------------------- 73.9/73.9 kB 677.5 kB/s eta 0:00:00
+Installing collected packages: segno
+Successfully installed segno-1.6.1
+
+[notice] A new release of pip is available: 23.2.1 -> 24.3.1
+[notice] To update, run: python.exe -m pip install --upgrade pip
+
+(venv) (base) C:\Users\edbigos\project01>
+
+
+(venv) (base) C:\Users\edbigos\project01>pip freeze
+segno==1.6.1
+
+(venv) (base) C:\Users\edbigos\project01>deactivate
+(base) C:\Users\edbigos\project01>
+
+
+
+
+
+
+
+
+Mac OS X & Linux
+----------------
+
+
diff --git a/bigos/lecture20241203a/requirements.txt b/bigos/lecture20241203a/requirements.txt
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+++ b/bigos/lecture20241203a/requirements.txt
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+barcode==1.0.4
+Levenshtein==0.26.1
+pillow==11.0.0
+pypng==0.20220715.0
+PyQRCode==1.2.1
+python-barcode==0.15.1
+python-Levenshtein==0.26.1
+RapidFuzz==3.10.1
+segno==1.6.1
diff --git a/bigos/lecture20241210/Img.py b/bigos/lecture20241210/Img.py
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--- /dev/null
+++ b/bigos/lecture20241210/Img.py
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+# https://dzone.com/articles/display-and-convert-images-in-python
+
+from PIL import Image
+image = Image.open('image.jpg')
+image.show()
+
diff --git a/bigos/lecture20241210/Img2.py b/bigos/lecture20241210/Img2.py
new file mode 100644
index 0000000..96e80d2
--- /dev/null
+++ b/bigos/lecture20241210/Img2.py
@@ -0,0 +1,15 @@
+# https://dzone.com/articles/display-and-convert-images-in-python
+
+from PIL import Image
+
+image = Image.open('ani.gif')
+
+print("Filename: ", image.filename)
+print("Format: ", image.format)
+print("Mode: ", image.mode)
+print("Size: ", image.size)
+print("Width: ", image.width)
+print("Height: ", image.height)
+print("Is Animated: ", (getattr(image, "is_animated", False)))
+
+image.close()  # close image file
diff --git a/bigos/lecture20241210/Img3.py b/bigos/lecture20241210/Img3.py
new file mode 100644
index 0000000..994a03d
--- /dev/null
+++ b/bigos/lecture20241210/Img3.py
@@ -0,0 +1,8 @@
+# https://dzone.com/articles/display-and-convert-images-in-python
+
+
+from PIL import Image
+
+image = Image.open('image.jpg')
+image.save("NewImage.gif")
+
diff --git a/bigos/lecture20241210/MyQRCode2.png b/bigos/lecture20241210/MyQRCode2.png
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diff --git a/bigos/lecture20241210/NewImage.gif b/bigos/lecture20241210/NewImage.gif
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diff --git a/bigos/lecture20241210/WinterCarnivalChinooks1922.jpg b/bigos/lecture20241210/WinterCarnivalChinooks1922.jpg
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diff --git a/bigos/lecture20241210/ani.gif b/bigos/lecture20241210/ani.gif
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diff --git a/bigos/lecture20241210/image.jpg b/bigos/lecture20241210/image.jpg
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diff --git a/bigos/lecture20241210/qrcode1.py b/bigos/lecture20241210/qrcode1.py
new file mode 100644
index 0000000..b5514e0
--- /dev/null
+++ b/bigos/lecture20241210/qrcode1.py
@@ -0,0 +1,16 @@
+# https://reeganalward.com/fully-customizable-qr-codes-in-python-7eb8a7c3b0da
+
+import qrcode
+img = qrcode.make('''
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+SUMMARY:Lunchtime meeting
+DTSTART;TZID=America/New_York:20230420T120000
+DURATION:PT1H
+LOCATION:Meeting Room 1
+END:VEVENT
+END:VCALENDAR
+''')
+type(img)
+img.save("vcal.png")
\ No newline at end of file
diff --git a/bigos/lecture20241210/qrcode2.py b/bigos/lecture20241210/qrcode2.py
new file mode 100644
index 0000000..4a7675c
--- /dev/null
+++ b/bigos/lecture20241210/qrcode2.py
@@ -0,0 +1,32 @@
+# https://reeganalward.com/fully-customizable-qr-codes-in-python-7eb8a7c3b0da
+# https://www.geeksforgeeks.org/generate-qr-code-using-qrcode-in-python/
+
+# Importing library
+import qrcode
+
+# Data to encode
+data = '''
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+SUMMARY:Lunchtime meeting
+DTSTART;TZID=America/New_York:20230420T120000
+DURATION:PT1H
+LOCATION:Meeting Room 1
+END:VEVENT
+END:VCALENDAR
+'''
+
+# Creating an instance of QRCode class
+qr = qrcode.QRCode(version = 1,
+                   box_size = 10,
+                   border = 5)
+
+# Adding data to the instance 'qr'
+qr.add_data(data)
+
+qr.make(fit = True)
+img = qr.make_image(fill_color = 'blue',
+                    back_color = 'white')
+
+img.save('MyQRCode2.png')
diff --git a/bigos/lecture20241210/requirements.txt b/bigos/lecture20241210/requirements.txt
new file mode 100644
index 0000000..b0eabab
--- /dev/null
+++ b/bigos/lecture20241210/requirements.txt
@@ -0,0 +1,2 @@
+pillow==11.0.0
+qrcode==8.0
diff --git a/bigos/lecture20241210/vcal.png b/bigos/lecture20241210/vcal.png
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index 0000000..bc5dbe4
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