Complete deliverable

challenges/01-calc.py

@@ -2,3 +2,21 @@
 # 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.
+
+while True:
+
+    operation = input("What operation would you like to do? Input add, sub, mult, or div: ")
+
+    num1 = int(input("What's your first number? "))
+
+    num2 = int(input("What's your second number? "))
+
+    if operation == "add":
+        print("Your result is " + str(num1 + num2))
+    elif operation == "sub":
+        print("Your result is " + str(num1 - num2))
+    elif operation == "mult":
+        print("Your result is " + str(num1 * num2))
+    elif operation == "div":
+        print("Your result is " + str(num1 / num2))
+

challenges/02-reverse.py

@@ -6,3 +6,12 @@
 # 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
+
+def reverse_string():
+    string = input("Enter a string: ")
+    reverse = ""
+    for letter in reversed(string):
+        reverse += letter
+    print(reverse)
+
+reverse_string()

challenges/03-bank.py

@@ -1,3 +1,18 @@
 print("Welcome to Chase bank.")
 print("Have a nice day!")
 
+balance = input("Your current balance is\n")
+balance = int(balance)
+action = input("What would you like to do? (deposit, withdraw, check_balance)\n")
+if action == "deposit":
+    deposit_amount = input("How much would you like to deposit?\n")
+    deposit_amount = int(deposit_amount)
+    new_balance = balance + deposit_amount
+    print("Your current balance is " + str(new_balance))
+elif action == "withdraw":
+    withdraw_amount = input("How much would you like to withdraw?\n")
+    withdraw_amount = int(withdraw_amount)
+    new_balance = balance - withdraw_amount
+    print("Your current balance is " + str(new_balance))
+elif action == "check_balance":
+    print("Your current balance is " + str(balance))

challenges/04-alphabetical.py

@@ -1,3 +1,9 @@
 # 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.
+
+string = "teststring"
+string_list = list(string)
+string_list.sort()
+string = "".join(string_list)
+print(string)