Playing with iterators

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Hugo Bowne-Anderson

Data Scientist at DataCamp

Using enumerate()

avengers = ['hawkeye', 'iron man', 'thor', 'quicksilver']
e = enumerate(avengers)

print(type(e))

<class 'enumerate'>

e_list = list(e)

print(e_list)

[(0, 'hawkeye'), (1, 'iron man'), (2, 'thor'), (3, 'quicksilver')]

enumerate() and unpack

avengers = ['hawkeye', 'iron man', 'thor', 'quicksilver']

for index, value in enumerate(avengers):
    print(index, value)

0 hawkeye
1 iron man
2 thor
3 quicksilver

for index, value in enumerate(avengers, start=10):
    print(index, value)

10 hawkeye
11 iron man
12 thor
13 quicksilver

Using zip()

avengers = ['hawkeye', 'iron man', 'thor', 'quicksilver']
names = ['barton', 'stark', 'odinson', 'maximoff']

z = zip(avengers, names)

print(type(z))

<class 'zip'>

z_list = list(z)

print(z_list)

[('hawkeye', 'barton'), ('iron man', 'stark'), 
('thor', 'odinson'), ('quicksilver', 'maximoff')]

zip() and unpack

avengers = ['hawkeye', 'iron man', 'thor', 'quicksilver']
names = ['barton', 'stark', 'odinson', 'maximoff']

for z1, z2 in zip(avengers, names):
    print(z1, z2)

hawkeye barton
iron man stark
thor odinson
quicksilver maximoff

Print zip with *

avengers = ['hawkeye', 'iron man', 'thor', 'quicksilver']
names = ['barton', 'stark', 'odinson', 'maximoff']
z = zip(avengers, names)
print(*z)

('hawkeye', 'barton') ('iron man', 'stark') 
('thor', 'odinson') ('quicksilver', 'maximoff')

Let's practice!

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