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Python Iterating Through an Iterator

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SAMER SAEID answered on June 17, 2021 Popularity 10/10 Helpfulness 2/10

answer Python Iterating Through an Iterator

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Python Iterating Through an Iterator

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# define a list
my_list = [4, 7, 0, 3]
# get an iterator using iter()
my_iter = iter(my_list)
# iterate through it using next()
# Output: 4
print(next(my_iter))
# Output: 7
print(next(my_iter))
# next(obj) is same as obj.__next__()

# Output: 0
print(my_iter.__next__())

# Output: 3
print(my_iter.__next__())

# This will raise error, no items left
next(my_iter)

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Contributed on May 27 2022

SAMER SAEID

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class CoinFlips:
    def __init__(self, number_of_flips):
        self.number_of_flips = number_of_flips # Store the total number of flips
        self.counter = 0

    def __iter__(self):
        return self # Return a reference of the iterator
    
    def __next__(self):
        if self.counter < self.number_of_flips:
            self.counter += 1
            return random.choice(["H", "T"]) # Flip the next coin, return the output
        else: # Otherwise, stop execution with StopIteration
            raise StopIteration
        
while True:
    try:
        next(three_flips) # Pull the next element of three_flips
    # Catch a stop iteration exception
    except StopIteration:
        print("Completed all coin flips!")
        break

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Contributed on Aug 13 2024

Innocent Iguana

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Python Iterator

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fruits = ["apples", "bananas", "cherries", "pears", "plums"]
fruitIterator = iter(fruits);
print(next(fruitIterator))
print(next(fruitIterator))
print(next(fruitIterator))

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Contributed on Jun 29 2022

Javasper

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python iterator

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def iter(times):
    it = 1
    for i in range(times):
        its = it * 2
        it = its
    return it

while True:
    print()
    print(iter(int(input("how many iteration? : "))))

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Contributed on Oct 26 2021

khuDDD

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iterate python

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for n in range(3):   
print(n)

Popularity 10/10 Helpfulness 1/10 Language python

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Tags: iterate

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Contributed on Jun 17 2021

Rich Raccoon

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Python Iterating Through an Iterator

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