numbers = [1,2,3,4,5,6,7,8,9,10]

# 1.a for loop example - I want 'n' for each 'n' in numbers

my_list = []

for n in numbers:

my_list.append(n)

print(my_list)

# 1.b Comprehension - I want 'n' for each 'n' in numbers

my_list = [n for n in numbers]

print(my_list)

# 2.a for loop example - I want 'n*n' for each 'n' in numbers

my_list = []

for n in numbers:

my_list.append(n*n)

print(my_list)

# 2.b Comprehension - I want 'n*n' for each 'n' in numbers

my_list = [n*n for n in numbers]

print(my_list)

# 3.a for loop example - I want 'n' for each 'n' in numbers if n is even

my_list = []

for n in numbers:

if n%2 == 0:

my_list.append(n)

print(my_list)

# 3.b Comprehension - I want 'n*n' for each 'n' in numbers

my_list = [n for n in numbers if n%2 == 0]

print(my_list)

# 4.a for loop example - I want (letter,num) for each letter in abcde and each num in 12345

my_list = []

for letter in 'abcde':

for num in range(5):

my_list.append((letter,num))

print(my_list)

# 4.b Comprehension - I want (letter,num) for each letter in abcde and each num in 12345

my_list = [(letter,num) for letter in 'abcde' for num in range(5)]

print(my_list)

# 5.a for loop example - Dictionary comprehension

fnames = ['Sachin','Sourav','Rahul','Mahendra','Virat']

snames = ['Tendulkar','Ganguly','Dravid','Dhoni','Kohli']

# Dictionary of dict = {'fname':'sname'} for each fname and sname in zip(fname,sname)

my_dict = {}

for fname,sname in zip(fnames,snames):

my_dict[fname] = sname

print(my_dict)

# 5.b Dictionary comprehension - Remove Viart from the list

my_dict = {fname:sname for fname,sname in zip(fnames,snames) if fname != 'Virat'}

print(my_dict)

# 6.a Set Comprehensions - for loop generate squared value of a set

numbers = [1,2,3,4,5,6,7,8,6,3,2,4,5,8,1,2,8,9,2,3,5,6,5,9,10]

my_set = set()

for n in numbers:

my_set.add(n*n)

print(my_set)

# 6.b Set Comprehensions - generate squared value of a set

my_set = {n*n for n in numbers}

print(my_set)