51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
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import sys
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from shift import shift
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from project_helper import read_from_file, ALPHABET
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KEY = "HOLLY"
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def analyze(char_list):
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dictionary = [{} for _ in range(26)]
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print(char_list)
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maximum = ("", 0)
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for i in range(len(char_list)):
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index = ord(char_list[i]) - ord('A')
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string = ""
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if i == 0:
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string += "-"
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else:
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string += char_list[i-1]
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string += char_list[i]
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if i == len(char_list) - 1:
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string += '-'
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else:
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string += char_list[i+1]
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keypair = dictionary[index].get(string)
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if keypair is None:
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num = 1
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else:
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num = keypair + 1
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if num > maximum[1]:
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maximum = (string, num)
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dictionary[index][string] = num
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for i in range(26):
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print(ALPHABET[i] + ":", end=" ")
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for key, value in dictionary[i].items():
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for j in range(value):
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print(key, end=" ")
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print()
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print("------------------------------------------")
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print("Most frequency pattern is", maximum[0])
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print("It appears %d times" % maximum[1])
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if __name__ == "__main__":
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if len(sys.argv) == 1:
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print("Usage: %s <path to file>" % sys.argv[0])
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exit(-1)
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charlist = read_from_file(sys.argv[1])
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shifted = shift(charlist, KEY)
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analyze(shifted)
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