A higher frequency than the analog cell phone.
Answer
Timekeeping has been a part of society since Ancient Egypt. The use of spring-powered mechanisms allowed clocks to be made smaller ... Essentially, the church bells and the mechanical clock now became the monitor of the working day.
Explanation:
Yes but you will need more than one battery
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])