Speichern Sie das Verzeichnis des Wettbewerbsnamens und a.py, b.py, c.py, d.py über die Befehlszeile.
 `python start_atcoder.py arc021 `drehen!import os
import sys
def main():
    argvs = sys.argv
    argc = len(argvs)
    if argc < 1:
        print('Usege\nstart_atcoder.py contest_name')
        exit(0)
    contest_name = argvs[1]
    if os.path.exists(contest_name):
        print(contest_name, 'is exists.')
    else:
        os.mkdir(contest_name)
        print(contest_name, 'is created.')
    problem_number = 4 
    for i in range(problem_number):
        path = contest_name+'\\'+chr(ord('a')+i)+'.py'
        if os.path.isfile(path):
            print(path, 'is exists')
        else:
            f = open(path,'w')
            f.close()
            print(path, 'created')
if __name__ == '__main__':
    main()
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