python only*** define the following functions; Function 1. writeStringToFile(fileName, text): This function overwrites the contents of the file named fileName with the string text. Must Define writeStringToFile Use def to define writeStringToFile Use a open file expression Within the definition of writeStringToFile, use open(___) or open(___, ___=_) in at least one place. Use a file .write() call Within the definition of writeStringToFile, use _.write(_) in exactly one place. Function 2. readFirstLines(fileName, numLines): This function reads the first numLines lines of the file named fileName, returning them as a list of strings (each of which includes a terminating newline character, if there is one). If there are fewer than numLines lines in the file, returns a list of all the lines in the file. Define readFirstLines Use def to define readFirstLines Use a open file expression Within the definition of readFirstLines, use open(___) or open(___, ___=_) in at least one place. Use a return statement Within the definition of readFirstLines, use return _ in at least one place. Use a file .readline() call Within the definition of readFirstLines, use _.readline() in exactly one place. Use any kind of loop Within the definition of readFirstLines, use any kind of loop in at least one place. Function 3. writeLines(fileName, stringList): This function writes all the strings in stringList as separate lines in the file named fileName by adding a newline character after each one. It overwrites any previons contents of the file. Define writeLines Use def to define writeLines Use a open file expression Within the definition of writeLines, use open(___) or open(___, ___=_)in at least one place. Use a file .write() call Within the definition of writeLines, use _.write(_) in exactly one place. Define writeLines Use def to define writeLines Use a open file expression Within the definition of writeLines, use open(___) or open(___, ___=_)in at least one place. Use a file .write() call Within the definition of writeLines, use _.write(_) in exactly one place

python only*** define the following functions; Function 1. writeStringToFile(fileName, text): This function overwrites the contents of the file named fileName with the string text. Must Define writeStringToFile Use def to define writeStringToFile Use a open file expression Within the definition of writeStringToFile, use open(_) or open(_, ___=_) in at least one place. Use a file .write() call Within the definition of writeStringToFile, use _.write(_) in exactly one place. Function 2. readFirstLines(fileName, numLines): This function reads the first numLines lines of the file named fileName, returning them as a list of strings (each of which includes a terminating newline character, if there is one). If there are fewer than numLines lines in the file, returns a list of all the lines in the file. Define readFirstLines Use def to define readFirstLines Use a open file expression Within the definition of readFirstLines, use open(_) or open(_, ___=_) in at least one place. Use a return statement Within the definition of readFirstLines, use return _ in at least one place. Use a file .readline() call Within the definition of readFirstLines, use _.readline() in exactly one place. Use any kind of loop Within the definition of readFirstLines, use any kind of loop in at least one place. Function 3. writeLines(fileName, stringList): This function writes all the strings in stringList as separate lines in the file named fileName by adding a newline character after each one. It overwrites any previons contents of the file. Define writeLines Use def to define writeLines Use a open file expression Within the definition of writeLines, use open(_) or open(_, ___=_)in at least one place. Use a file .write() call Within the definition of writeLines, use _.write(_) in exactly one place. Define writeLines Use def to define writeLines Use a open file expression Within the definition of writeLines, use open(_) or open(_, ___=_)in at least one place. Use a file .write() call Within the definition of writeLines, use _.write(_) in exactly one place

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

python only***

define the following functions;

Function 1. writeStringToFile(fileName, text): This function overwrites the contents of the file named fileName with the string text.

Must

Define writeStringToFile

Use def to define writeStringToFile

Use a open file expression

Within the definition of writeStringToFile, use open(___) or open(___, ___=_) in at least one place.

Use a file .write() call

Within the definition of writeStringToFile, use _.write(_) in exactly one place.

Function 2. readFirstLines(fileName, numLines): This function reads the first numLines lines of the file named fileName, returning them as a list of strings (each of which includes a terminating newline character, if there is one). If there are fewer than numLines lines in the file, returns a list of all the lines in the file.

Define readFirstLines

Use def to define readFirstLines

Use a open file expression

Within the definition of readFirstLines, use open(___) or open(___, ___=_) in at least one place.

Use a return statement

Within the definition of readFirstLines, use return _ in at least one place.

Use a file .readline() call

Within the definition of readFirstLines, use _.readline() in exactly one place.

Use any kind of loop

Within the definition of readFirstLines, use any kind of loop in at least one place.

Function 3. writeLines(fileName, stringList): This function writes all the strings in stringList as separate lines in the file named fileName by adding a newline character after each one. It overwrites any previons contents of the file.

Define writeLines

Use def to define writeLines

Use a open file expression

Within the definition of writeLines, use open(___) or open(___, ___=_)in at least one place.

Use a file .write() call

Within the definition of writeLines, use _.write(_) in exactly one place.

Define writeLines

Use def to define writeLines

Use a open file expression

Within the definition of writeLines, use open(___) or open(___, ___=_)in at least one place.

Use a file .write() call

Within the definition of writeLines, use _.write(_) in exactly one place.

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