Answer:
Explanation:
iname=input("Enter the file name: ")
inputfile=open(iname,'r')
lines=[]
for line in inputfile:
lines.append(line)
inputfile.close()
print("The file has ",len(lines)," lines")
while True:
linenumber=int(input("Enter the line number or 0 to quit: "))
if linenumber==0:
break
elif linenumber > len(lines):
print("Error: line number must be less than ", len(lines))
else:
print(linenumber, " : ", lines[linenumber - 1])
Answer:
A constructor doesn't have a return type.
The name of the constructor must be the same as the name of the class.
Unlike methods, constructors are not considered to be members of a class.
A constructor is called when a new instance of an object is created.
Explanation:
Answer:
Push notification services.
Explanation:
Push notification services can be used to deliver important messages on mobile devices in an efficient and timely manner. The different mobile platforms such as android, iOS have their services which makes it easy for Jabez to send the messages to users with a specific brand and type of mobile device. The messages will pop up on the mobile device of the user, whether the app or the website associated with notifications is running or not.
Answer:
4 bits are required. 4 bits can represent 16 different values (2*2*2*2 or ). 3 bits can only represent 8 different values. In the general case n bits can represent values, or correspondingly m values can be represented by bits.
