#6.2
import math
  
while True:
  print("Enter your password: ", end = "")
  pwd = input()
  if pwd == '12345': break
  
# input values
years = 10 #number of years making monthly deposits
D = 100 #dollars deposited per month

# output (calculated) values 
p = 0.075 / 12 # monthly rate
T = years * 12 # number of months
S = D * ((math.pow(1 + p, T) - 1) / p)

# echoing input values, not rounded
print("In", years, "years, $", end = "")
print(D, "deposited per month will grow to $", end = "")

# rounded output (see 4.1)
SFormatted = "%.2f" % S
print(SFormatted, ".", sep = "") 


#6.5
import random

myNumber = random.randint(10, 11)
if myNumber == 10: print("Heads")
elif myNumber == 11: print("Tails")


#7.4
import random

nTosses = input("number of tosses:")
nTosses = int(nTosses)
counter = 0

while True:
  print("counter, nTosses", counter, nTosses, nTosses == counter)
  input()
  if nTosses == counter: break
  myNumber = random.randint(10, 11)
  if myNumber == 10: print("Heads")
  elif myNumber == 11: print("Tails")
  counter += 1


#7.5
import random

#6.2
import math
  
while True:
  print("Enter your password: ", end = "")
  pwd = input()
  if pwd == '12345': break
  
# input values
years = 10 #number of years making monthly deposits
D = 100 #dollars deposited per month

# output (calculated) values 
p = 0.075 / 12 # monthly rate
T = years * 12 # number of months
S = D * ((math.pow(1 + p, T) - 1) / p)

# echoing input values, not rounded
print("In", years, "years, $", end = "")
print(D, "deposited per month will grow to $", end = "")

# rounded output (see 4.1)
SFormatted = "%.2f" % S
print(SFormatted, ".", sep = "") 


#6.5
import random

myNumber = random.randint(10, 11)
if myNumber == 10: print("Heads")
elif myNumber == 11: print("Tails")


#7.4
import random

nTosses = input("number of tosses:")
nTosses = int(nTosses)
counter = 0

while True:
  print("counter, nTosses", counter, nTosses, nTosses == counter)
  input()
  if nTosses == counter: break
  myNumber = random.randint(10, 11)
  if myNumber == 10: print("Heads")
  elif myNumber == 11: print("Tails")
  counter += 1


#7.5
import random

while True:

  nTosses = input("number of tosses (0 to quit):")
  nTosses = int(nTosses)
  if nTosses == 0: break
  
  counter = 0
  
  while True:
    if nTosses == counter: break
    myNumber = random.randint(10, 11)
    if myNumber == 10: print("Heads")
    elif myNumber == 11: print("Tails")
    counter += 1


#6.6
import random

# Compute and store the number to be guessed (1-10) using the random number generator
guessThis = random.randint(1, 10)

# Output the computer's challenge to the human, to try to guess the randomly selected number
print("Guess a number between 1 and 10 inclusive")

# Input and store the human's guess as a whole number
myGuess = int(input())

if myGuess == guessThis:
  print("You got it!")
if myGuess < guessThis:
  print("Too low -- it's", guessThis)
if myGuess > guessThis:
  print("Too high -- it's", guessThis)
    

  
#6.7
import random

# Compute and store the number to be guessed (1-10) using the random number generator
guessThis = random.randint(1, 10)

while True:
  
  # Output the computer's challenge to the human, to try to guess the randomly selected number
  print("Guess a number between 1 and 10 inclusive")
  
  # Input and store the human's guess as a whole number
  myGuess = int(input())
  
  if myGuess == guessThis:
    print("You got it!")
    break
  if myGuess < guessThis:
    print("Too low")
  if myGuess > guessThis:
    print("Too high")


#round off error!
x = 0
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1
x += 0.1

print(x, x == 1.0)


#no round off error!
x = 0
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125
x += 0.125

print(x, x == 1.25)


#for loops
for i in ("Mon", "Tue", "Wed"): # tuple
  print(i)
print(i)
  
for i in range(10):
  print(i)
print(i)

s = "Hello"
for c in s:
  print(c)
  

#RSP with tuples
import random

computerOption = ("Rock", "Scissors", "Paper")
x = (
      (0, "r", "tie", 2),
      (0, "s", "computer wins", 0),
      (0, "p", "human wins", 1),
      (1, "s", "tie", 2),
      (1, "p", "computer wins", 0),
      (1, "r", "human wins", 1),
      (2, "p", "tie", 2),
      (2, "r", "computer wins", 0),
      (2, "s", "human wins", 1)
    )
totals = [0, 0, 0] # computer, human, tie
  
while True:
  human = input("r, s, p, q").lower()[0]
  if human == 'q': break
  computer = random.randint(0, 2)
  
  for result in x:
    if computer == result[0] and human == result[1]:
      print(computerOption[computer], result[2])
      totals[result[3]] += 1
      break
print(totals)
    
del x

#7.8
import random

computerWins = 0
humanWins = 0
ties = 0

while True:
  computerChoice = random.randint(0, 2) # 0=rock, 1=scissor, 2=paper
  humanChoice = input("R, S, P, Q:").lower()[0]
  
  #print(computerChoice, humanChoice)
  if humanChoice == 'q': break
  
  if computerChoice == 0:
    print("Computer: Rock,", end=" ")
  if computerChoice == 1:
    print("Computer: Scissors,", end=" ")
  if computerChoice == 2:    
    print("Computer: Paper,", end=" ")
  
  if computerChoice == 0:
    if humanChoice == 'r':
      print("Tie")
      ties += 1
    if humanChoice == 's':
      print("Computer wins")
      computerWins += 1
    if humanChoice == 'p':
      print("Human wins")
      humanWins += 1   
    
  if computerChoice == 1:
    if humanChoice == 's':
      print("Tie")
      ties += 1
    if humanChoice == 'p':
      print("Computer wins")
      computerWins += 1
    if humanChoice == 'r':
      print("Human wins")
      humanWins += 1  
      
  if computerChoice == 2:
    if humanChoice == 'p':
      print("Tie")
      ties += 1
    if humanChoice == 'r':
      print("Computer wins")
      computerWins += 1
    if humanChoice == 's':
      print("Human wins")
      humanWins += 1 
      
print("Human wins:", humanWins)
print("Computer wins:", computerWins)
print("Ties:", ties)


#fun with functions
def fun1(a, b=0, c=100):
  print(a, b, c)
  
a = 100
fun1(a, c=1)
print(a)


#more functions
import random

def getRandomNumber():
  return random.randint(10, 11)
  
def toss(h, t):
  myNumber = getRandomNumber()
  if myNumber == 10: 
    print("Heads")
    h += 1
  elif myNumber == 11: 
    print("Tails")
    t += 1
  return h, t
  
nHeads = 0
nTails = 0

while True:

  nTosses = input("number of tosses (0 to quit):")
  nTosses = int(nTosses)
  if nTosses == 0: break
  
  counter = 0
  
  while True:
    if nTosses == counter: break
    nHeads, nTails = toss(nHeads, nTails)
    counter += 1
    
  print(nHeads, nTails)

#6.1
answer = input("1 + 2 =")
if answer == "3": print("Correct")
else: print("Wrong!")

answer = input("100 - 99 =")
if answer == "1": print("Correct")
else: print("Wrong!")

answer = input("12 + 21 =")
if answer == "33": print("Correct")
else: print("Wrong!")