Python CS50 PSET6-DNA-适用于小型数据库，但不适用于大型数据库

我正在学习CS50，却被困在pset6上

我编写了这段代码，它在“小”给定数据库中运行良好。 在“大”一号上，我的DNA序列中的值是错误的。 比如，使用debug50，我得到Albus序列应该是15,49,38。。。我的序号是21，55，64

怎么了？为什么它可以在小型数据库中正常工作，而不能在大型数据库中正常工作

谢谢你的帮助

# Import ARGV and CSV library
from sys import argv, exit
import pandas as pd
import csv

# Check if argv has 3 arguments (program name, cvs file and dna sequence)
while True:
    if len(argv) != 3:
        print("Usage: python dna.py data.csv sequence.txt")
        exit(1)
    else:
        break

with open(argv[2], 'r', encoding="UTF-8") as txt:
    dna_seq = txt.read()
#Find the number of STR - AGATC,TTTTTTCT,AATG,TCTAG,GATA,TATC,GAAA,TCTG
AGATC = dna_seq.count("AGATC")
TTTTTTCT = dna_seq.count("TTTTTTCT")
AATG = dna_seq.count("AATG")
TCTAG = dna_seq.count("TCTAG")
GATA = dna_seq.count("GATA")
TATC = dna_seq.count("TATC")
GAAA = dna_seq.count("GAAA")
TCTG = dna_seq.count("TCTG")

name = 0
if argv[1] == "databases/small.csv":

    with open(argv[1], 'r') as csv_file:
        reader = csv.DictReader(csv_file)
        for row in reader:
            dna_db = row['name'], row['AGATC'], row['AATG'], row['TATC']
            dna_db = list(dna_db)

            seq = [AGATC, AATG, TATC]
            seq = [str(x) for x in seq]

            if dna_db[1:4] == seq:
                name = dna_db[:1]
                break
            else:
                name = "No match"

elif argv[1] == "databases/large.csv":

    with open(argv[1], 'r') as csv_file:
        reader = csv.DictReader(csv_file)
        for row in reader:
            dna_db = row['name'], row['AGATC'], row['TTTTTTCT'], row['AATG'], row['TCTAG'], 
row['GATA'], row['TATC'], row['GAAA'], row['TCTG']
            dna_db = list(dna_db)

            seq = [AGATC,TTTTTTCT,AATG,TCTAG,GATA,TATC,GAAA,TCTG]
            seq = [str(x) for x in seq]

            if dna_db[1:9] == seq:
                name = dna_db[:1]
                break
            else:
                name = "No match"

print(name)

---

这回答了你的问题吗？是的，现在我明白了，我想我只需要数一数它出现了多少次，而不是它连续出现了多少次。现在我只需要知道如何实现这个。。。