4.4.2.Graded Quiz Reading and Writing files with Open - sj50179/IBM-Data-Science-Professional-Certificate GitHub Wiki
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Question 1
Consider the following text file: Example1.txt:
This is line 1
This is line 2
This is line 3
What is the output of the following lines of code?
with open("Example1.txt","r") as File1:
file_stuff=File1.readline ()
print(file_stuff)
- This is line 1
- This is line 1 This is line 2 This is line 3
- This is line 1 This is line 2
Correct.
Question 2
Consider the file object: File1. How would you read the first line of text?
- File1.readline ()
- File1.readline () File1.readline ()
- File1.read ()
Correct.
Question 3
Consider the following line of code:
with open(example1,"r") as file1:
What mode is the file object in?
- write
- append
- read
Correct, the mode is set to r for read.
Question 4
Consider the following line of code:
with open(example1,"w") as file1:
What mode is the file object in?
- read
- write
- append
Correct.
Question 5
What do the following lines of code do?
with open("Example.txt","a") as writefile:
writefile.write("This is line A\n")
writefile.write("This is line B\n")
- Write to the file “Example.txt”
- Append the file "Example.txt"
- Read the file "Example.txt"
Correct.
Question 6
What do the following lines of code do?
with open("Example3.txt","w") as file1:
file1.write("This is line C\n")
- Append the file "Example3.txt".
- error
- Read the file "Example3.txt".
Correct. There is no indent.