Loops in Python
# FOR LOOPS IN PYTHON
ingredients = [“fusilli”, “tomatoes”, “garlic”, “basil”, “olive oil”, “salt”]
# Loop through each ingredient in the list
for item in ingredients:
print(item)
# Iterate over the number of ingredients
for item in range(1,7):
print(“Adding ingredient”, item)
# example — -
quantities = [500, 400, 20, 15, 15, 7]
# Loop through each quantity in the recipe
for qty in quantities:
# Check if it’s a large quantity (400g or more)
if qty >= 400:
print(‘Large quantity’)
# Check if it’s a medium quantity (200g or more)
elif qty >= 200:
print(‘Medium quantity’)
# Otherwise it’s a small quantity
else:
print(‘Small quantity’)
# example — — —
recipe = {
“fusilli”: 500,
“tomatoes”: 400,
“basil”: 20,
“garlic”: 15,
“olive oil”: 15,
“salt”: 7
}
# Loop through the recipe dictionary items
for ingredient, qty in recipe.items():
# Calculate the scaled quantity by multiplying by 2
scaled_qty = qty *2
print(ingredient, “:”, scaled_qty, “g”)
#While Loops in Python
total_confirmations = 10
guest_count = 0
# Count confirmations using a while loop
while guest_count<total_confirmations:
guest_count+=1
print(guest_count, “guests so far!”)
print(“We have”, guest_count, “guests coming!”)
# example — -
total_ingredients = 7
ingredients_checked = 0
# Set up the loop
while ingredients_checked < total_ingredients:
# Increment the counter
ingredients_checked += 1
# Check if less than 4 ingredients reviewed
if ingredients_checked < 4:
print(“More than half remaining”)
# Check if 6 or fewer ingredients reviewed
elif ingredients_checked <= 6:
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print(“Nearly finished checking”)
else:
print(“All ingredients verified!”)
# example — -
# Create an empty shopping list
shopping_list = []
# Loop through each ingredient and required quantity
for ingredient, required_qty in recipe.items():
# Check if we need more than what we have
if required_qty > pantry_stock[ingredient]:
# Add the ingredient to our shopping list
shopping_list.append(ingredient)
# Display the shopping list
print(“Shopping list:”, shopping_list)
# example — -
# Count how many items to buy
items_to_buy = 0
for item in shopping_list:
items_to_buy += 1
# Display results
print(shopping_list)
print(items_to_buy)
# example — -
shopping_list = []
# Loop through each ingredient and amount in the recipe
for ingredient, amount in recipe.items():
print(ingredient)
# example — — Inside the loop, calculate the needed_amount by multiplying the amount by the scale_factor.
shopping_list = []
# Loop through each ingredient and amount in the recipe
for ingredient, amount in recipe.items():
# Calculate the amount needed for the party
needed_amount = amount*scale_factor
# example — — Check if the ingredient is not in pantry OR if the needed_amount is greater than the quantity in pantry[ingredient]. If either condition is true, append the ingredient to shopping_list.
shopping_list = []
# Loop through each ingredient and amount in the recipe
for ingredient, amount in recipe.items():
# Calculate the amount needed for the party
needed_amount = amount * scale_factor
# Check if we need to buy this ingredient
if ingredient not in pantry or needed_amount > pantry[ingredient]:
shopping_list.append(ingredient)
print(“Shopping list for your party:”)
print(shopping_list)
# loops
def validate_password(password):
# Check if password is at least 8 characters long
if len(password) >= 8:
# Check if password contains a special character
for char in password:
if char in string.punctuation:
return True
return False
# Call the function and store the result
is_valid = validate_password(user_password)
print(“Is the password valid? “, is_valid)
