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[英]Combine two list and output all possible combinations of list 1 given list 2
[英]Counting all possible combinations in a given list of list
我有一個列表列表list_1 =[[A,B,C,D],[A,D],[B,C,D]]
。 我想要一個 output 例如:
因此,如上所示,我期望列表中存在的所有可能組合的計數。
嘗試使用它,它將遍歷所有列表並使用itertools.combinations計算此列表中所有可能的組合並將數字添加到result
import itertools
list_1 =[["A","B","C","D"],["A","D"],["B","C","D"]]
result = {}
for sublist in list_1:
for L in range(1, len(sublist)+1):
for subset in list(itertools.combinations(sublist, L)):
key = "".join(list(subset))
if key in result:
result[key] += 1
else:
result[key] = 1
如果你想打印它們:
for item in result:
print(item + " => " + str(result[item]))
# Output:
# A => 2
# B => 2
# C => 2
# D => 3
# AB => 1
# AC => 1
# AD => 2
# BC => 2
# BD => 2
# CD => 2
# ABC => 1
# ABD => 1
# ACD => 1
# BCD => 2
# ABCD => 1
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