파이썬20. pipe install,내장함수(list of python builtins),외장함수
PS C:\python_work>
PS C:\python_work> pip install beautifulsoup4
PS C:\python_work> pip list
google 에서 list of python builtins 검색하면 내장함수 관련 내용
외장함수
list of python modules
파이썬 기초.7 file 입출력
score_file = open ( "score.txt" , "w" , encoding = "utf8" ) #새로 생성해서 print ( "수학 : 0" , file =score_file) print ( "영어 : 50" , file =score_file) score_file.close() score_file = open ( "score.txt" , "a" , encoding = "utf8" ) #기존 파일 붙여넣기 score_file.write( "수학 : 80" ) score_file.write( " \n 코딩 : 100" ) score_file.close() score_file = open ( "score.txt" , "r" , encoding = "utf8" ) print (score_file.read()) score_file.close() score_file = open ( "score.txt" , "r" , encoding = "utf8" ) print (score_file.readline(), end = "" ) #한줄만 읽고,줄바꿈 유무는 end="" 넣으면 다음 줄로 이동 print (score_file.readline()) print (score_file.readline()) print (score_file.readline()) score_file.close() score_file = open ( "score.txt" , "r" , encoding = "utf8" ) while True : line = score_file.readline() ...
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