2.4 Repetition Assignment.pdf

# Repetition1
# Leen Saflo
# Purpose is to allow user to input password until correct

while True:
  password = input("Enter your password: ")
  if password == "Ilovecats123" :
    print("Correct password")
    break
  else:
    print("Incorrect password. Try again.")

# repetition2.py
# Leen Saflo
# To determine how long it'll take for population to double at current rate

population =  8017000000             # 8.017 billion
target_population = population * 2   # population doubled
growth_rate = 1.009                  # 0.9% per year

years = 0
while population < target_population:
  population *=  growth_rate
  years += 1

print ("It'll take", years ,"years for the population to double at this rate")

# repetition3.py
# Leen Saflo
# Display a menu and take user's order + asking for fries if they did not order it

print("""
----------- Taco Mambo ---------------
1. Inferno Crunch ...............$6.00
2. Baja Wave Rider...............$7.99
3. Veggie Vortex ................$5.00
4. Smoky Sunset..................$7.50
5. Fries ........... $4.00
6. Exit
---------------------------------------
""")

total = 0
fries_ordered = False

print("Welcome to Taco Mambo!")
while True:
    order = int(input("From 1-5, what would you like to order <6 to exit>: "))
    if order == 1:
        total += 6
    elif order == 2:
        total += 7.99
    elif order == 3:
        total += 5
    elif order == 4:
        total += 7.50
    elif order == 5:
        total += 4
        fries_ordered = True  # Mark that fries have been ordered
    elif order == 6:
        break
    else:
        print("We don't have that, please select a number between 1 and 6.")

name = input("Enter a name for your order: ")

# Only ask for fries if they have not already been ordered
if fries_ordered == False:
    wantFries = input(f"Would you like some fries with that (yes or no), {name}? ")
    if wantFries.lower() == "yes":
        total += 4

print(f"Your total is ${total}.2f thank you for coming to Taco Mambo, {name}!")

# repetition5.py
# Leen Saflo
# Find layers in a pyramid with 10,000 cannonballs

layers = 0        # number of layers
inLayer = 0       # number of cannonballs in layer
total = 0         # total number of cannonballs

while total < 10000:    
  layers += 1                   
  inLayer = layers ** 2
  total = total + inLayer
if total>10000:   # stopping the loop before 10000
  layers -= 1
  total = total - inLayer

remainder = 10000 - total
  
  
print(F" there'll be {layers} layers and {remainder} cannonballs left over")

# repetition4.py
# Leen Saflo
# Find the two-digit number with persistence greater than 3

for num in range(10, 100):
    persistencenum = 0
    n = num                 # n will be the number i am working with

    # calculating persistence by multiplying digits until it becomes a single digit
    while num >= 10:
        tens = num // 10                # first digit
        ones = num % 10                 # second digit
        num = tens * ones               # multiplying the digits
        persistencenum += 1  

    # print the number with persistance > 3
    if persistencenum > 3:
        print(f"{n} is the only number with persistence above 3, it has a persistence of {persistencenum}")

# repetition4.py
# Leen Saflo
# Find the two-digit number with persistence greater than 3

for num in range(10, 100):
    persistencenum = 0
    n = num                 # n will be the number i am working with

    # calculating persistence by multiplying digits until it becomes a single digit
    while num >= 10:
        tens = num // 10                # first digit
        ones = num % 10                 # second digit
        num = tens * ones               # multiplying the digits
        persistencenum += 1  

    # print the number with persistance > 3
    if persistencenum > 3:
        print(f"{n} is the only number with persistence above 3, it has a persistence of {persistencenum}")

Repetition assignment.py