comprehension_exercise.py

 """
a = []
for i in range(13):
    a.append(i)
print(a)
outPut:[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

can convert this code in one line with
List Comprehension:

"""
print([i for i in range(13)])
#outPut:[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

print([[i for i in range(3)] for j in range(2)])
#outPut:[[0, 1, 2],[0, 1, 2]]

#More Example 
i = [x for x in range(5)]
n = [y+5 for y in i]

print(n)
#[5, 6, 7, 8, 9]

"""
a = {}
for i in range(13):
    a.append(i)
print(a)
#outPut:{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Set Comprehension:

"""
i = {x for x in range(5)}
n = {y*5 for y in i}

print(n)
#output:{0, 5, 10, 15, 20}

"""
Dictionary Comprehension:
"""
x = (i for i in range(5))
y = (j for j in range(6,10))
z = zip(x, y)
print(list(z))

#outPut:[(0, 6), (1, 7), (2, 8), (3, 9)]

#More Example 

l1 = [x for x in range(5)]
l2 = ['Sun','Mon','Tue','Wed','Thu']


n ={key:value for (key, value) in zip(l1, l2)}

print(n)
#outPut:{0: 'Sun', 1: 'Mon', 2: 'Tue', 3: 'Wed', 4: 'Thu'}
"""
generator comprehension
"""
print((i for i in sample_li))

# convert to iterable
print(list(i for i in sample_li))
print(set(i for i in sample_li))
#There is no tuple comprehension but we can use generator comprehension like this 
print(tuple(i for i in sample_li))