2. def ff_cal_char_rept0(st, n):
    3.     times = 0
    4.     flag = False
    5.     for i in range(0, len(st)):
    6.         if i == 0:
    7.             times = 1
    8.         else:
    9.             if st[i - 1] != st[i]:
    10.                 times = 1
    11.             else:
    12.                 times += 1
    13.             if times == n:
    14.                 flag = True
    15.                 break
    16.     return flag
    19. def ff_cal_char_rept1(st, n):
    20.     times = 1
    21.     for i in range(1, len(st)):
    22.         times = 1 if st[i - 1] != st[i] else times + 1
    23.         if times == n:
    24.             return True
    25.     return False
    28. def ff_cal_char_rept2(st, n):
    29.     st_ = set(st)
    30.     if len(st) - len(st_) < n-1:
    31.         return False
    32.     for i in st_:
    33.         if i*n in st:
    34.             return True
    35.     return False
    37. m1 = '888888881'
    38. m2 = '123456789'
    39. m3 = '888888811'
    40. m4 = '123123'
    41. m5 = 'ININININININININININIII'
    42. m6 = m5*10
    43. m7 = '888888878'
    44. m8 = 'QWERTYUIOP_*&^%$#@!ASDFGH)ZXCVBNMLKJ'
    45. m9 = '88888888888'
    46. m = [m1, m2, m3, m4, m5, m6, m7, m8, m9]
    48. for i in m:
    49.     print(i+':')
    50.     %time ff_cal_char_rept0(i, n=8)
    51.     %time ff_cal_char_rept1(i, n=8)
    52.     %time ff_cal_char_rept2(i, n=8)
    54.     print(ff_cal_char_rept0(i, n=8), ff_cal_char_rept1(i, n=8), ff_cal_char_rept2(i, n=8))
    55.     print('\n')
    57. # 全面测试
    58. """
    59. 888888881:
    60. CPU times: user 8 µs, sys: 2 µs, total: 10 µs
    61. Wall time: 14.1 µs
    62. CPU times: user 7 µs, sys: 1e+03 ns, total: 8 µs
    63. Wall time: 11.9 µs
    64. CPU times: user 8 µs, sys: 0 ns, total: 8 µs
    65. Wall time: 12.2 µs
    66. True True True
    69. 123456789:
    70. CPU times: user 17 µs, sys: 3 µs, total: 20 µs
    71. Wall time: 19.3 µs
    72. CPU times: user 0 ns, sys: 11 µs, total: 11 µs
    73. Wall time: 33.1 µs
    74. CPU times: user 8 µs, sys: 1 µs, total: 9 µs
    75. Wall time: 14.1 µs
    76. False False False
    79. 888888811:
    80. CPU times: user 9 µs, sys: 1 µs, total: 10 µs
    81. Wall time: 16.2 µs
    82. CPU times: user 9 µs, sys: 2 µs, total: 11 µs
    83. Wall time: 15 µs
    84. CPU times: user 7 µs, sys: 0 ns, total: 7 µs
    85. Wall time: 11.2 µs
    86. False False False
    89. 123123:
    90. CPU times: user 6 µs, sys: 1 µs, total: 7 µs
    91. Wall time: 10.5 µs
    92. CPU times: user 7 µs, sys: 0 ns, total: 7 µs
    93. Wall time: 10 µs
    94. CPU times: user 5 µs, sys: 1 µs, total: 6 µs
    95. Wall time: 9.78 µs
    96. False False False
    99. ININININININININININIII:
    100. CPU times: user 8 µs, sys: 1 µs, total: 9 µs
    101. Wall time: 13.1 µs
    102. CPU times: user 7 µs, sys: 1 µs, total: 8 µs
    103. Wall time: 11.7 µs
    104. CPU times: user 7 µs, sys: 0 ns, total: 7 µs
    105. Wall time: 10.7 µs
    106. False False False
    109. ININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIIIININININININININININIII:
    110. CPU times: user 34 µs, sys: 0 ns, total: 34 µs
    111. Wall time: 37 µs
    112. CPU times: user 25 µs, sys: 5 µs, total: 30 µs
    113. Wall time: 33.9 µs
    114. CPU times: user 0 ns, sys: 10 µs, total: 10 µs
    115. Wall time: 14.1 µs
    116. False False False
    119. 888888878:
    120. CPU times: user 6 µs, sys: 1 µs, total: 7 µs
    121. Wall time: 11.7 µs
    122. CPU times: user 6 µs, sys: 1 µs, total: 7 µs
    123. Wall time: 10.7 µs
    124. CPU times: user 7 µs, sys: 0 ns, total: 7 µs
    125. Wall time: 10.7 µs
    126. False False False
    129. QWERTYUIOP_*&^%$#@!ASDFGH)ZXCVBNMLKJ:
    130. CPU times: user 11 µs, sys: 2 µs, total: 13 µs
    131. Wall time: 16.7 µs
    132. CPU times: user 11 µs, sys: 0 ns, total: 11 µs
    133. Wall time: 14.5 µs
    134. CPU times: user 8 µs, sys: 1 µs, total: 9 µs
    135. Wall time: 12.4 µs
    136. False False False
    139. 88888888888:
    140. CPU times: user 6 µs, sys: 1 µs, total: 7 µs
    141. Wall time: 11 µs
    142. CPU times: user 0 ns, sys: 7 µs, total: 7 µs
    143. Wall time: 10.7 µs
    144. CPU times: user 6 µs, sys: 1 µs, total: 7 µs
    145. Wall time: 10.5 µs
    146. True True True
    147. """