Answers of doughsay/lc-practice.py

Answers.py

def identity(nums):
    return [i for i in nums]
# without list comprehension 
    # return [*nums]

def doubled(nums):
    return [i*2 for i in nums]

def squred(nums):
    return [i**2 for i in nums]

def evens(nums):
    return [i for i in nums if i % 2 == 0]

def odds(nums):
    return [i for i in nums if i % 2 != 0]
# or 
    # return [i for i in nums if i not in evens(nums)]

def positives(nums):
    return [i for i in nums if i > 0]

def selective_stringify_nums(nums):
    # 0 == False: Output: True, so i%5==0 is false
    # 5 % 5 == 0: bool(5 % 5) <=> False, so not 5 % 5: True

    # if x means if x is true => so if not i % 5
    return [str(i) for i in nums if not i % 5]

def encrypt_lol(sentence):
    # answer provided by the creator demonstrates that 'y' is unchnaged. 
    return ''.join(chr(ord(i) + 1) if ord(i) in range(ord('a'),ord('y')) else i for i in sentence)