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@sevbo2003
Created November 23, 2021 15:35
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Codewars 6kyu question solution
"""
Given an array (arr) as an argument complete the function countSmileys that should return the total number of smiling faces.
Rules for a smiling face:
Each smiley face must contain a valid pair of eyes. Eyes can be marked as : or ;
A smiley face can have a nose but it does not have to. Valid characters for a nose are - or ~
Every smiling face must have a smiling mouth that should be marked with either ) or D
No additional characters are allowed except for those mentioned.
Valid smiley face examples: :) :D ;-D :~)
Invalid smiley faces: ;( :> :} :]
Example
countSmileys([':)', ';(', ';}', ':-D']); // should return 2;
countSmileys([';D', ':-(', ':-)', ';~)']); // should return 3;
countSmileys([';]', ':[', ';*', ':$', ';-D']); // should return 1
"""
def count_smileys(arr):
res = 0
for i in arr:
if check(i):
res += 1
return res#the number of valid smiley faces in array/list
def check(i):
if i[0] != ':' and i[0] != ';':
return False
if len(i) == 3 and i[1] != '-' and i[1] != '~':
return False
if len(i) == 3 and i[2] != ')' and i[2] != 'D':
return False
if len(i) == 2 and i[1] != ')' and i[1] != 'D':
return False
return True
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