List Comprehension
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# Type - 1 (SIMPLE LIST COMPREHENSION)
alpha_list = [i for i in "Hello World"]
print(alpha_list)
# Type - 2 (LIST COMPREHENSION WITH OPERATION)
square_numbers = [i**2 for i in range(11)]
print(square_numbers)
# Type - 3 (LIST COMPREHENSION WITH IF condition)
even_list = [ i for i in range(11) if i % 2 == 0]
print(even_list)
str = "a12bcd3efg456"
alpha_list = [i for i in str if i.isalpha()]
print(alpha_list)
alpha_str = "".join([i for i in str if i.isalpha()])
print(alpha_str)
# Type - 4 (LIST COMPREHENSION WITH IF-ELSE condition)
str = "a12bcd3efg456"
alpha_num_list = [i.upper() if i.isalpha() else int(i)**2 for i in str]
print(alpha_num_list)
# Type - 5 (LIST COMPREHENSION WITH NESTED IF conditions)
lst = [-2, 10, 5, 3, -1, 0, -15, 6, -30, 12]
positive_even_list = [ i for i in lst if i > 0 if i % 2 == 0 ]
print(positive_even_list)
# Type - 6 (LIST COMPREHENSION WITH NESTED loops)
nested_loop_list = [ i for i in range(5) for j in range(i) ]
print(nested_loop_list)
Python
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