Nested Loops and Nested Lists (CS105 at UIUC)

fruits = ['apple', 'banana', 'cranberry']
# loop through the list fruits
for fruit in fruits:
print(fruit)

# loop through the letters in a single fruit ('apple')
for letter in fruits[0]:
print(letter)

# Use a nested loop to loop through the letters in each string in the list fruits
for fruit in fruits:
for letter in fruit:
print(letter)
print() # add a line between each string

fruits = ['apple', 'banana', 'cranberry']
veggies = ['alfalfa', 'broccoli', 'carrot']
desserts = ['alfajores','biscotti']

listOfFoodLists = [fruits, veggies, desserts]
print(foodLists[1][2]) # print a single string

# loop through and print every food/string in each sublist.
for foodList in listOfFoodLists:
for element in foodList:
print(element)

Видео Nested Loops and Nested Lists (CS105 at UIUC) канала colleen lewis