If a class defines the     str    (self) method, for an object obj for the class, you can use which command to invoke the     str      method.

Related MCQs

• What will be the output of the following Python code? 1. class father: 2. def __init__(self, param): 3. self.o1 = param 4. 5. class child(father): 6. def __init__(self, param): 7. self.o2 = param 8. 9. >>>obj = child(22) 10. >>>print "%d %d" % (obj.o1, obj.o2)
• What will be the output of the following Python code? 1. class tester: 2. def __init__(self, id): 3. self.id = str(id) 4. id="224" 5. 6. >>>temp = tester(12) 7. >>>print(temp.id)
• To add a new element to a list we use which command?
• To insert 5 to the third position in list1, we use which command?
• To remove string “hello” from list1, we use which command?
• Suppose d = {“john”:40, “peter”:45}. To obtain the number of entries in dictionary which command do we use?
• Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use?
• To read the remaining lines of the file from a file object infile, we use                          
• How do you close a file object (fp)?
• How do you get the name of a file from a file object (fp)?