Write a statement in Python to perform the following operations:
- To open a text file “BOOK.TXT” in read mode
- To open a text file “BOOK.TXT” in write mode
f1 = open('BOOK.TXT','r')
f2 = open('BOOK.TXT','w')
Write a statement in Python to perform the following operations:
f1 = open('BOOK.TXT','r')
f2 = open('BOOK.TXT','w')
Evaluate the following postfix notation of expression. Show status of the stack after every operation.
22,11,/,14,10,,+,5,2
Write a statement in Python to perform the following operations:
Write a method in python to write multiple line of text contents into a text file myfile.txt line.
Consider the following definition of class Staff, write a method in python to search and display the content in a pickled file staff.dat, where Staff code is matching with ‘S0105’.
class Staff:
def __init__(self,S,SNM):
self.Staffcode=S
self.Name=SNM
def Show(self):
print(self.Staffcode,' ',
self.Name)
Write PUSH (Books) and POP (Books) methods in python to add Books and remove Books considering them to act as Push and Pop operations of Stack.
Write a method in python to find and display the prime numbers between 2 to N. Pass N as an argument to the method.
Evaluate the following postfix notation of expression. Show status of the stack after every operation.
84, 62, –, 14, 3, *, +
Mock Test Series