diff --git a/README.md b/README.md
index 931cdb5..aa4e79d 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
 # beginner-coding-concepts
 
-This is the code for my video on beginner coding concepts
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+This is the code for my video on [6 Coding Concepts You MUST Know For Beginners](https://youtu.be/pKFcVs2HibA).
+
+> [!NOTE]  
+> [This repository](https://code.alexhyett.com/alexhyett/beginner-coding-concepts) is also mirrored on [Codeberg.org](https://codeberg.org/alexhyett/beginner-coding-concepts) if you want to raise an issue.
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diff --git a/arrays.py b/arrays.py
new file mode 100644
index 0000000..078626c
--- /dev/null
+++ b/arrays.py
@@ -0,0 +1,18 @@
+import datetime
+
+def calculate_age(dateOfBirth):
+    today = datetime.datetime.now()
+    age = today.year - dateOfBirth.year - ((today.month, today.day) < (dateOfBirth.month, dateOfBirth.day))
+    return age
+
+def print_result(age):
+    if age >= 18:
+        print("You are " + str(age) + "! Enjoy the film")
+    else:
+        print("Sorry you aren't old enough you are only " + str(age))
+
+datesOfBirth = [datetime.datetime(1995, 9, 20), datetime.datetime(1996, 12, 2)]
+age = calculate_age(dateOfBirth)
+
+print_result(age)
+
diff --git a/for-loops.py b/for-loops.py
new file mode 100644
index 0000000..080c794
--- /dev/null
+++ b/for-loops.py
@@ -0,0 +1,18 @@
+import datetime
+
+def calculate_age(dateOfBirth):
+    today = datetime.datetime.now()
+    age = today.year - dateOfBirth.year - ((today.month, today.day) < (dateOfBirth.month, dateOfBirth.day))
+    return age
+
+def print_result(age):
+    if age >= 18:
+        print("You are " + str(age) + "! Enjoy the film")
+    else:
+        print("Sorry you aren't old enough you are only " + str(age))
+
+datesOfBirth = [datetime.datetime(1995, 9, 20), datetime.datetime(1996, 12, 2)]
+
+for dateOfBirth in datesOfBirth:
+    age = calculate_age(dateOfBirth)
+    print_result(age)
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diff --git a/functions.py b/functions.py
new file mode 100644
index 0000000..8eae9d6
--- /dev/null
+++ b/functions.py
@@ -0,0 +1,17 @@
+import datetime
+
+def calculate_age(dateOfBirth):
+    today = datetime.datetime.now()
+    age = today.year - dateOfBirth.year - ((today.month, today.day) < (dateOfBirth.month, dateOfBirth.day))
+    return age
+
+def print_result(age):
+    if age >= 18:
+        print("You are " + str(age) + "! Enjoy the film")
+    else:
+        print("Sorry you aren't old enough you are only " + str(age))
+
+dateOfBirth = datetime.datetime(1995, 9, 20)
+age = calculate_age(dateOfBirth)
+
+print_result(age)
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diff --git a/if-statements.py b/if-statements.py
new file mode 100644
index 0000000..fab6555
--- /dev/null
+++ b/if-statements.py
@@ -0,0 +1,12 @@
+import datetime
+
+dateOfBirth = datetime.datetime(1990, 9, 20)
+today = datetime.datetime.now()
+
+age = today.year - dateOfBirth.year - ((today.month, today.day) < (dateOfBirth.month, dateOfBirth.day))
+
+print(age)
+if age >= 18:
+    print("Enjoy the film")
+else:
+    print("Sorry you aren't old enough")
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diff --git a/variables.py b/variables.py
new file mode 100644
index 0000000..c7feb4b
--- /dev/null
+++ b/variables.py
@@ -0,0 +1,11 @@
+import datetime
+
+def calculate_age(dateOfBirth):
+    today = datetime.datetime.now()
+    age = today.year - dateOfBirth.year - ((today.month, today.day) < (dateOfBirth.month, dateOfBirth.day))
+    return age
+
+dateOfBirth = datetime.datetime(1990, 9, 20)
+age = calculate_age(dateOfBirth)
+
+print(age)
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diff --git a/while-loops.py b/while-loops.py
new file mode 100644
index 0000000..7aea1c2
--- /dev/null
+++ b/while-loops.py
@@ -0,0 +1,5 @@
+i = 1
+
+while i <= 5:
+	print(i)
+	i = i + 1
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