diff --git a/projects/001-taxi-fare/python/main.py b/projects/001-taxi-fare/python/main.py
index e69de29..fdd3204 100644
--- a/projects/001-taxi-fare/python/main.py
+++ b/projects/001-taxi-fare/python/main.py
@@ -0,0 +1,19 @@
+'''
+In a particular jurisdiction, taxi fares consist of: 
+- base fare of €4.00, 
+- plus €0.25 for every 140 meters travelled. 
+
+Write a function named **taxi fare** that takes the distance travelled (in kilometers) as its only parameter 
+and returns the total fare as its only result. 
+Write a main program that demonstrates the function.
+'''
+
+def taxi_fare(kilometers):
+    addedtaxes = kilometers // 140
+    taxfare = 0.25 *  addedtaxes
+    totalfare = 4.00 + taxfare
+    return totalfare
+
+kilometers = int(input("Kilometers: "))
+totalfare = taxi_fare(kilometers)
+print("Total fare = ", totalfare)
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diff --git a/projects/002-shipping-calculator/python/main.py b/projects/002-shipping-calculator/python/main.py
index e69de29..39f4aa0 100644
--- a/projects/002-shipping-calculator/python/main.py
+++ b/projects/002-shipping-calculator/python/main.py
@@ -0,0 +1,13 @@
+'''
+An online retailer provides express shipping for many of its items at a rate of: 
+- €10.99 for the first item in an order
+- €2.99 for each subsequent item in the same order. 
+
+Write a function named **shipping calculator** that takes the number of items in the order as its **only parameter**. 
+
+Return the shipping charge for the order as the function’s result. 
+
+Include a main program that reads the number of items purchased from the user 
+and displays the shipping charge.
+'''
+
diff --git a/projects/011-arbitrary-base-conversions/python/main.py b/projects/011-arbitrary-base-conversions/python/main.py
index e69de29..27f9cdb 100644
--- a/projects/011-arbitrary-base-conversions/python/main.py
+++ b/projects/011-arbitrary-base-conversions/python/main.py
@@ -0,0 +1,45 @@
+'''
+Write a program that allows the user to convert a number from one base to another.
+Your program should support bases between 2 and 16 for both the input number and the result number.
+
+If the user chooses a base outside of this range then an appropriate error message should be displayed and the program should exit.
+
+Divide your program into several functions:
+
+a function named arbitrary to base 10 that converts from an arbitrary base to base 10
+a function that base 10 to arbitrary base converts from base 10 to an arbitrary base
+a main program that reads the bases and input number from the user
+'''
+
+def arbitrary(usernumber, userbase):
+    if userbase == "2":
+        convertedvalue = int(usernumber, 2)
+        return convertedvalue
+    elif userbase == "8":
+        convertedvalue = int(usernumber, 8)
+        return convertedvalue
+    elif userbase == "16":
+        convertedvalue = int(usernumber, 16)
+        return convertedvalue
+    else:
+        return userbase
+       
+def arbitrary_base_converts(convertedvalue, basechoice):
+    if basechoice == "10":
+        return convertedvalue
+    elif basechoice == "2":
+        newvalue = bin(convertedvalue)
+        return newvalue
+    elif basechoice == "8":
+        newvalue = oct(convertedvalue)
+        return newvalue
+    elif basechoice == "16":
+        newvalue = hex(convertedvalue)
+        return newvalue
+
+usernumber = int(input("Please insert number: "))
+userbase = int(input("Please insert the base of the number: "))
+convertedvalue = arbitrary(usernumber, userbase)
+basechoice = int(input("Please choose a base to convert the number into from 2, 8, 10, 16: "))
+finalvalue = arbitrary_base_converts(convertedvalue, basechoice)
+print("Here's the number converted: ", finalvalue)
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