'attempted'

challenges/01-calc.py

@@ -2,3 +2,24 @@
 # input() always returns a string value. If you ever want someone
 # to enter a number you have to use the `int()` function to convert
 # what they typed in to a string.
+
+# define the function that performs the operation
+def calculator(op, num1, num2):
+    if op == "add":
+        return num1 + num2
+    elif op == "sub":
+        return num1 - num2
+    elif op == "mult":
+        return num1 * num2
+    elif op == "div":
+        return num1 / num2
+
+# get user input for the operation and the numbers
+op = input("What calculation would you like to do? (add, sub, mult, div) ")
+num1 = float(input("What is number 1? "))
+num2 = float(input("What is number 2? "))
+
+# call the function with the user input and display the result
+result = calculator(op, num1, num2)
+print("Your result is", result)
+

challenges/02-reverse.py

@@ -6,3 +6,7 @@
 # several ways to reverse a string, and it's a good read!
 #
 # http://www.techbeamers.com/essential-python-tips-tricks-programmers/?utm_source=mybridge&utm_medium=blog&utm_campaign=read_more#tip1
+
+question = 'What is your string? '
+answer = input(question)
+print(answer[::-1])

challenges/03-bank.py

@@ -1,3 +1,33 @@
 print("Welcome to Chase bank.")
+# Collect the user's starting balance
+balance = 4000
+
+# Display the user's current balance
+print("Your current balance is")
+print(balance)
+
+# Ask the user what they want to do
+action = input("What would you like to do? (deposit, withdraw, check_balance)\n")
+
+# Perform the selected action
+if action == "deposit":
+    amount = float(input("How much would you like to deposit?\n"))
+    balance += amount
+elif action == "withdraw":
+    amount = float(input("How much would you like to withdraw?\n"))
+    balance -= amount
+elif action == "check_balance":
+    pass  # Do nothing
+else:
+    print("Invalid action. Please try again.")
+
+# Display the user's updated balance
+print("Your current balance is")
+print(balance)
+
+# Ask the user if they're done
+done = input("Are you done?\n")
+
+# Say goodbye
 print("Have a nice day!")
 

challenges/04-alphabetical.py

@@ -1,3 +1,8 @@
 # You'll need to use a couple of built in functions to alphabetize a string. 
 # Try to avoid looking up the exact answer and look at built in functions for
 # lists and strings instead.
+
+prompt = "hello user, what's your name?"
+answer = input(prompt)
+alphabetized_name = ''.join(sorted(answer))
+print(alphabetized_name)