finished deliverable

challenges/01-calc.py

@@ -2,3 +2,43 @@
 # 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.
+
+
+
+is_running = True
+
+while is_running:
+    prompt = '>'
+    print('hello user')
+    print('tell me what kind of math you want to do')
+    print('Possible choices: add, sub, mul, div')
+    math_choice = input(prompt)
+    print(f'math choice: {math_choice}')
+    print('excellent math choice! Enter the first number: ')
+    number_one = input(prompt)
+    print("Now, enter a second number: ")
+    number_two = input(prompt)
+    print(number_one, number_two)
+
+    try:
+        number_one = int(number_one)
+        number_two =  int(number_two)
+    except ValueError as e:
+        print('that wasnt a real number')
+
+    switch = {
+        'add': number_one + number_two,
+        'sub': number_one - number_two,
+        'mul': number_one * number_two,
+        'div': number_one / number_two
+    }
+
+    if math_choice in switch:
+        print(f'result: {switch[math_choice]}')
+    else: 
+        print(f'i lied, {math_choice} isnt a math I know about')
+
+    print('would you like to continue? Y/n')
+    should_quit = input(prompt)
+    if should_quit == 'n':
+        is_running = False

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
+
+string = 'hello'
+print(''.join(reversed(string)))
+

challenges/03-bank.py

@@ -1,3 +1,24 @@
 print("Welcome to Chase bank.")
 print("Have a nice day!")
 
+balance = 4000
+
+def banking():
+    print("Welcome to Chase bank.")
+
+    global balance
+
+    transaction = input("What would you like to do? (deposit, withdraw, balance)\n")
+
+    if transaction == 'deposit':
+        deposit_amount = float(input("How much would you like to deposit?\n"))
+        balance += deposit_amount
+        return f"Your new balance is {balance}."
+    elif transaction == 'withdraw':
+        withdraw_amount = float(input("How much would you like to withdraw?\n"))
+        balance -= withdraw_amount
+        return f"Your new balance is {balance}."
+    elif transaction == 'balance':
+        return f"Your current balance is {balance}."
+
+    print("Have a nice day!")

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 = 'supercalifragilisticexpialidocious'
+string_list = list(string)
+string_list.sort()
+string = "".join(string_list)
+print(string)