Códigos Fuente de Python

s[::-1]

"".join([s[i] for i in range(len(s)-1,-1,-1)])

reverse_B("the big house") # "esuoh gib eht"

randomNumbers(10) // [1, 3, 5, 2, 8, 0, 6, 9, 4, 7]

is_valid_IP("1.2.3.4") # true

is_valid_IP("123.45.67.89") # true

is_valid_IP("0.0.0.0") # true

is_valid_IP("255.255.255.255") # true

is_valid_IP("1.200.01.255") # false

is_valid_IP("1.2.3") # false

is_valid_IP("1.2.3.4.5") # false

is_valid_IP("123.456.78.90") # false

is_valid_IP("123.045.067.089") # false

countLetters("")              # {}

countLetters("xxxx")          # {'x': 4}

countLetters("xXxX")          # {'x': 4}

countLetters("the big house") # {'t': 1, 'h': 2, 'e': 2, ' ': 2, 'b': 1, 'i': 1, 'g': 1, 'o': 1, 'u': 1, 's': 1}

countLetters("1000$")         # {'1': 1, '0': 3, '$': 1}

countBits(0) # 0

countBits(1) # 1

countBits(10) # 2

countBits(1234) # 5

bin2dec(0) # 0

bin2dec(1) # 1

bin2dec(10) # 1010

bin2dec(1234) # 10011010010

indexOfAll([1, 2, 3, 1, 2, 3], 1); # [0,3]

indexOfAll([1, 2, 3], 4); # []