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builtins.py 4.5 KB

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  1. def print(*args, sep=' ', end='\n'):
  2. s = sep.join([str(i) for i in args])
  3. __sys_stdout_write(s + end)
  4. def round(x, ndigits=0):
  5. assert ndigits >= 0
  6. if ndigits == 0:
  7. return int(x + 0.5) if x >= 0 else int(x - 0.5)
  8. if x >= 0:
  9. return int(x * 10**ndigits + 0.5) / 10**ndigits
  10. else:
  11. return int(x * 10**ndigits - 0.5) / 10**ndigits
  12. def abs(x):
  13. return -x if x < 0 else x
  14. def max(a, b):
  15. return a if a > b else b
  16. def min(a, b):
  17. return a if a < b else b
  18. def all(iterable):
  19. for i in iterable:
  20. if not i:
  21. return False
  22. return True
  23. def any(iterable):
  24. for i in iterable:
  25. if i:
  26. return True
  27. return False
  28. def enumerate(iterable, start=0):
  29. n = start
  30. for elem in iterable:
  31. yield n, elem
  32. n += 1
  33. def sum(iterable):
  34. res = 0
  35. for i in iterable:
  36. res += i
  37. return res
  38. def map(f, iterable):
  39. for i in iterable:
  40. yield f(i)
  41. def filter(f, iterable):
  42. for i in iterable:
  43. if f(i):
  44. yield i
  45. def zip(a, b):
  46. for i in range(min(len(a), len(b))):
  47. yield (a[i], b[i])
  48. def reversed(iterable):
  49. a = list(iterable)
  50. a.reverse()
  51. return a
  52. def sorted(iterable, reverse=False):
  53. a = list(iterable)
  54. a.sort(reverse=reverse)
  55. return a
  56. ##### str #####
  57. str.__mul__ = lambda self, n: ''.join([self for _ in range(n)])
  58. def str@split(self, sep):
  59. if sep == "":
  60. return list(self)
  61. res = []
  62. i = 0
  63. while i < len(self):
  64. if self[i:i+len(sep)] == sep:
  65. res.append(self[:i])
  66. self = self[i+len(sep):]
  67. i = 0
  68. else:
  69. i += 1
  70. res.append(self)
  71. return res
  72. def str@format(self, *args):
  73. if '{}' in self:
  74. for i in range(len(args)):
  75. self = self.replace('{}', str(args[i]), 1)
  76. else:
  77. for i in range(len(args)):
  78. self = self.replace('{'+str(i)+'}', str(args[i]))
  79. return self
  80. def str@strip(self, chars=None):
  81. chars = chars or ' \t\n\r'
  82. i = 0
  83. while i < len(self) and self[i] in chars:
  84. i += 1
  85. j = len(self) - 1
  86. while j >= 0 and self[j] in chars:
  87. j -= 1
  88. return self[i:j+1]
  89. ##### list #####
  90. list.__new__ = lambda iterable: [x for x in iterable]
  91. list.__repr__ = lambda self: '[' + ', '.join([repr(i) for i in self]) + ']'
  92. tuple.__repr__ = lambda self: '(' + ', '.join([repr(i) for i in self]) + ')'
  93. list.__json__ = lambda self: '[' + ', '.join([i.__json__() for i in self]) + ']'
  94. tuple.__json__ = lambda self: '[' + ', '.join([i.__json__() for i in self]) + ']'
  95. def __qsort(a: list, L: int, R: int):
  96. if L >= R: return;
  97. mid = a[(R+L)//2];
  98. i, j = L, R
  99. while i<=j:
  100. while a[i]<mid: i+=1
  101. while a[j]>mid: j-=1
  102. if i<=j:
  103. a[i], a[j] = a[j], a[i]
  104. i+=1
  105. j-=1
  106. __qsort(a, L, j)
  107. __qsort(a, i, R)
  108. def list@sort(self, reverse=False):
  109. __qsort(self, 0, len(self)-1)
  110. if reverse:
  111. self.reverse()
  112. def list@remove(self, value):
  113. for i in range(len(self)):
  114. if self[i] == value:
  115. del self[i]
  116. return True
  117. return False
  118. def list@index(self, value):
  119. for i in range(len(self)):
  120. if self[i] == value:
  121. return i
  122. return -1
  123. def list@pop(self, i=-1):
  124. res = self[i]
  125. del self[i]
  126. return res
  127. def list@__eq__(self, other):
  128. if type(self) is not type(other):
  129. return False
  130. if len(self) != len(other):
  131. return False
  132. for i in range(len(self)):
  133. if self[i] != other[i]:
  134. return False
  135. return True
  136. tuple.__eq__ = list.__eq__
  137. list.__ne__ = lambda self, other: not self.__eq__(other)
  138. tuple.__ne__ = lambda self, other: not self.__eq__(other)
  139. def list@count(self, x):
  140. res = 0
  141. for i in self:
  142. if i == x:
  143. res += 1
  144. return res
  145. tuple.count = list.count
  146. def list@__contains__(self, item):
  147. for i in self:
  148. if i == item:
  149. return True
  150. return False
  151. tuple.__contains__ = list.__contains__
  152. class property:
  153. def __init__(self, fget, fset=None):
  154. self.fget = fget
  155. self.fset = fset
  156. def __get__(self, obj):
  157. return self.fget(obj)
  158. def __set__(self, obj, value):
  159. if self.fset is None:
  160. raise AttributeError("readonly property")
  161. self.fset(obj, value)
  162. class staticmethod:
  163. def __init__(self, f):
  164. self.f = f
  165. def __get__(self, obj):
  166. return self.f
  167. def __call__(self, *args):
  168. return self.f(*args)
  169. def type@__repr__(self):
  170. return "<class '" + self.__name__ + "'>"