Solution/009

projects/001-taxi-fare/python/main.py

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+'''
+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)

projects/002-shipping-calculator/python/main.py

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+'''
+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.
+'''
+

projects/009-password-validation/python/main.py

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+'''
+In this exercise you will write a function named is valid password
+that determines whether a password is good.
+We will define a good password to be a one that is:
+
+at least 8 characters long
+contains at least one uppercase letter
+contains at least one lowercase letter
+contains at least one number
+Your function should return True if the password passed to it as its
+only parameter is good.
+Otherwise it should return False.
+
+Include a main program that reads a password from the user and reports
+whether it is good.
+Ensure that your main program only runs when your solution has not
+been imported into another file.
+'''
+
+def valid_password(userpassword, uppercase, lowercase, numbers):
+    if len(userpassword) >= 8 and uppercase in userpassword and lowercase in userpassword and numbers in userpassword:
+        return True
+    else:
+        return False
+
+userpassword = input("Please enter a password: ")
+uppercase = "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"
+lowercase = "a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"
+numbers = "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"
+passwordcheck = valid_password(userpassword, uppercase, lowercase, numbers)
+if passwordcheck == True:
+    print("The password inserted is correct!")
+else:
+    print("The password inserted is WRONG!\nIt needs to contain at least one uppercase letter, at least one lowercase letter, at least one number and it should be at least 8 characters long!")