Dunnhumby Interview Question | Processing Modes
Question
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
It will take less than 1 minute to register for lifetime. Bonus Tip - We don't send OTP to your email id Make Sure to use your own email id for free books and giveaways
Answers ( No )
r – open a file for reading. (default)
w – Open a file for writing. If file already exists its data will be cleared before opening. Otherwise new file will be created
x – open for exclusive creation, failing if the file already exists
a – open for writing, appending to the end of the file if it exists
b – binary mode
t – text mode (default)
+r – Open a file for updating (reading and writing)