Iterating Through a Python List Using For Loops
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Iterate through a Python List
Starting at the first element, go through the list until
the last element.
animals = [“cat”, “rat”, “bat”, “bird”]
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animals = [‘cat’, ‘rat’, ‘bat’, ‘bird’]
for
pet
in animals:
print(pet)
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supplies = [‘pens’, ‘staplers’, ‘binders’, ‘pencils’]
for
item
in supplies:
print(item)
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scores = [80, 90, 95, 75]
for
num
in scores:
print(num)
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animals = [‘cat’, ‘rat’, ‘bat’, ‘bird’]
for
pet
in
range(4):
print(animals[pet])
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animals = [‘cat’, ‘rat’, ‘bat’, ‘bird’]
for
pet
in range(
len(animals)
):
print(animals[pet])
This tutorial provides detailed methods on how to iterate through a Python list using for loops. It covers techniques such as looping through elements directly, using range, and leveraging the len() function. Each method is explained with examples and visuals to help you understand the process effectively.
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Presentation Transcript
Iterate through a Python List using a for loop for loop
Iterate through a Python List Starting at the first element, go through the list until the last element. animals = [ cat , rat , bat , bird ]
METHOD 1: METHOD 1: Iterate over a List using for loop for loop animals = [ cat , rat , bat , bird ] for pet in animals: print(pet) pet 0 1 2 3 animals[0] animals[1] animals[2] animals[3] animals cat rat bat bird
METHOD 1: METHOD 1: Iterate over a List using for loop for loop item supplies 0 1 2 3 supplies[0] supplies[1] supplies[2] supplies[3] pens staplers binders pencils supplies = [ pens , staplers , binders , pencils ] for item in supplies: print(item)
METHOD 1: METHOD 1: Iterate over a List using for loop for loop num scores 0 1 2 3 scores[0] scores[1] scores[2] scores[3] 80 90 95 75 scores = [80, 90, 95, 75] for num in scores: print(num)
METHOD 2: METHOD 2: Iterate over a List using a for loop using Range Range pet animals cat for loop 0 1 2 3 animals[0] animals[1] animals[2] animals[3] rat bat bird animals = [ cat , rat , bat , bird ] for pet in range(4): print(animals[pet])
METHOD 3: METHOD 3: Iterate over a List using a for loop using len len Function for loop pet 0 1 2 3 animals[0] animals[1] animals[2] animals[3] animals cat rat bat bird animals = [ cat , rat , bat , bird ] for pet in range(len(animals)): print(animals[pet])
