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  • INT104-lab3

     1 def remove_odd_elements(mylist:list):
     2     return [element for element in mylist if(element//2*2==element)]
     3 
     4 # a=[12,15,3,10]
     5 # print(remove_odd_elements(a))
     6 
     7 
     8 def count_occurrences_element(lst:list,x):
     9     lst=[a for a in lst if(a==x)]
    10     return len(lst)
    11 
    12 '''
    13 lst=[15,6,7,10,12,20,10,28,10]
    14 x=10
    15 lst=[8,6,8,10,8,20,10,8,8]
    16 x=8
    17 print(count_occurrences_element(lst,x))
    18 '''
    19 
    20 def remove_duplicates_characters(s:str):
    21     myset=set()
    22     for c in s:
    23         if not c in myset:
    24             print(c,end='')
    25         myset.add(c)
    26     print()
    27 
    28 
    29 # s="abababababababaababababbc"
    30 # remove_duplicates_characters(s)
    31 
    32 
    33 def count_pattern_from_text(text:str):
    34     words=text.split(' ')
    35     dict={word: words.count(word) for word in words}
    36     print(dict)
    37 
    38 
    39 # text="python hello this is my world hello world world"
    40 # count_pattern_from_text(text)
    41 
    42 
    43 import numpy as np
    44 
    45 
    46 def matrix_multiple(A,B):
    47     C=np.dot(A,B)
    48     return C
    49     '''
    50     print(type(C))
    51     print(C)
    52     print(type(C.tolist()))
    53     print(C.tolist())
    54     '''
    55 
    56 
    57 # A=[[12,7,3],[4,5,6],[7,8,9]]
    58 # B=[[5,8,1,2],[6,7,3,0],[4,5,9,1]]
    59 # matrix_multiple(A,B)
    ~~Jason_liu O(∩_∩)O
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  • 原文地址:https://www.cnblogs.com/JasonCow/p/14539159.html
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