ab
rw
a+
r+
What will be the output of the following code?
f=open("demo.txt","r")print(f.tell())
1
2
-1
0
open_file()
file_open()
open()
read_file()
a
f
w
t
End of List
End of Line
End of Loop
End of Language
file_exists()
exists_file()
os.path.exists()
check_file()
Use multiple write() statements.
Use writelines() method.
Use writeLine() method.
Use append() method.
End of File
End of Statement
End of program
write()
append()
add()
insert()
raw_input
input
eval
accept
Write
Read
Append
Read and Write Both
end
beginning
anywhere in between the file
None of the above
read()
readline()
readlines()
load()
f = open('data.txt'); f.read()
f = open('data.txt','r'); f.read(n)
myfile = open('data.txt'); f.readline()
f= open('data.txt'); f.readlines()
file_object=open(file_name,mode)
open(file_object,file_name,mode)
file_open(file_object,file_name,mode)
file_object=file_open(file_name,mode)
read binary
write binary
append binary
read write
raise
goto
try
except
Comma Space Value
Comma Separated Value
Common spaced Value
Compact Structure View
os.rename(existing_name, new_name)
fq.name = ‘new_name.txt’
os.rename(fp, new_name)
os.set_name(existing_name, new_name)
It is used for object serialization
It is used for object de-serialization
change the string value to number
extract the list element in simple variable
csv.reader(file)
csv.read(file)
csv.readcsv(file)
csv.readcsvdata(file)
Read two words from file
Read two line from file
Read two character / two bytes
count the number of '2' in file
File Found Error
File Not Exist Error
File Not Found Error
None of these
ar+
Dictionary
String
Tuple
List
softspace
mode
closed
rename
It is used for object deserialization
All of the mentioned
None of the mentioned
5 characters
5 words
5 lines
write
output
send
dump
Brackets
Indentation
Catch
Both of the above
f.read(5)
f.read()=5
f.readline(5)
f.readlines(5)
sets the file's current position at the offset
sets the file's previous position at the offset
sets the file's current position within the file
_x=2
x=3
_xyz_=5
What will be the output of the following code ?
f=open("demo.txt","w+")f.write("Welcome to python")f.seek(5)a=f.read(5)print(a)
Welco
me to
Welcome to Python
e to
giga bytes
mega bytes
byte
bits
Quick response code
Same format in which the data is held in memory
ASCII format
Unicode format
w+
readall()
readcharacter()
readchar()
Read mode
Write mode
Append mode
Binary mode
f.seek(-10, 0)
f.seek(10,0)
f.seek(-10, 1)
r
+
b
f.reads()
f.read()
f.read(all)
f.read( *)
remove((), file_name))
remove (new_file_name, current_file_name,)
remove (file_name)
All of the above
close_file()
file_close()
close()
end_file()
f = open("data.txt", "a")
f = Open("data.txt", "ab")
f= new("data.txt", "a")
open("data.txt", "a")
Which of the following error is returned by the given code ?
f = open("test.txt","w")f.write(345)
Syntax Error
Type Error
String Error
Run Time Error
None of the above.
Tells you the current position within the file.
Tells the size of file you read
Tells the start position of the file.
Tells the end position of the file.