#!/usr/bin/env python
# coding: utf-8

# # Chapter 08 Taking a Vacation
# <img align="left" src="https://i.imgur.com/lnc0qMV.png" />

# In[1]:


# 01 Before We Begin

def answer():
    return 42


# In[2]:


# 02 Finding Your Identity

def identity(x):
    return x
    


# In[3]:


# 03 Call Me Maybe

def cube(x):
    return x ** 3

print (cube(27))


# In[4]:


# 04 Function and Control Flow

def is_even(x):
    if x % 2 == 0:
        return "yep"
    else:
        return "nope"
        


# In[5]:


# 05 Problem Solvers

import math
def area_of_circle(radius):
    return math.pi * (radius ** 2)
    
    


# In[6]:


# 06 Planning Your Trip

def hotel_cost(nights):
    return 140 * nights
    


# In[7]:


# 07 Getting There

def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475
    else:
        return 0


# In[8]:


# 08 Transportation

def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475
    else:
        return 0

def rental_car_cost(days):
    cost = days * 40
    if days >= 7:
        cost = cost - 50
    elif days >= 3:
        cost = cost - 20
    return cost
    


# In[9]:


# 09 Pull it Together

def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475
    else:
        return 0

def rental_car_cost(days):
    cost = days * 40
    if days >= 7:
        cost = cost - 50
    elif days >= 3:
        cost = cost - 20
    return cost

def trip_cost(city, days):
    return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city)
    
    


# In[10]:


# 10 Hey You Never Know

def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475
    else:
        return 0

def rental_car_cost(days):
    cost = days * 40
    if days >= 7:
        cost = cost - 50
    elif days >= 3:
        cost = cost - 20
    return cost

def trip_cost(city, days, spending_money):
    return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city) + spending_money


# In[11]:


# 11 Plan Your Trip

def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475
    else:
        return 0

def rental_car_cost(days):
    cost = days * 40
    if days >= 7:
        cost = cost - 50
    elif days >= 3:
        cost = cost - 20
    return cost

def trip_cost(city, days, spending_money):
    return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city) + spending_money

print (trip_cost("Los Angeles", 5, 600))


# In[12]:


# 12 Coming Back Home

def hotel_cost(nights):
    return nights * 140

def plane_ride_cost(city):
    if city == "Charlotte":
        return 183
    elif city == "Tampa":
        return 220
    elif city == "Pittsburgh":
        return 222
    elif city == "Los Angeles":
        return 475

def rental_car_cost(days):
    cost = days * 40
    if days >= 7:
        cost = cost - 50
    elif days >= 3:
        cost = cost - 20
    return cost

def trip_cost(city, days, spending_money):
    return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city) + spending_money

# You were planning on taking a trip to LA
# for five days with $600 of spending money.
print (2734.23 - trip_cost("Los Angeles", 5, 600))


# In[13]:


# 13 Gotta Give Me Some Credit

def hotel_cost(nights):
    return nights * 140

bill = hotel_cost(5)


# In[14]:


# 14 At a Bare Minimum

def hotel_cost(nights):
    return nights * 140

bill = hotel_cost(5)

def get_min(balance, rate):
    return balance * rate

print (get_min(bill, 0.02))


# In[15]:


# 15 Something of Interest

def hotel_cost(nights):
    return nights * 140

def get_min(balance, rate):
    return balance * rate

def add_monthly_interest(balance):
    return balance * 1.0125
    
bill = hotel_cost(5)
print (get_min(bill, 0.02))
print( add_monthly_interest(bill) )


# In[16]:


# 16 Paying Up

def hotel_cost(nights):
    return nights * 140

bill = hotel_cost(5)

def add_monthly_interest(balance):
    return balance * (1 + (0.15 / 12))

def make_payment(payment, balance):
    balance = add_monthly_interest(balance - payment)
    print ("You still owe:", balance)
    return balance

print (make_payment(bill / 2 + 100, bill))


# In[17]:


# 17 Run It

def hotel_cost(nights):
    return nights * 140

bill = hotel_cost(5)

def add_monthly_interest(balance):
    return balance * (1 + (0.15 / 12))

def make_payment(payment, balance):
    balance = add_monthly_interest(balance - payment)
    print ("You still owe:", balance)
    return balance

print (make_payment(bill / 2 + 100, bill))


# In[18]:


print (1/2)