It was the whaling industry.
Whaling use to be the main source of oil that was used for fuel and
lighting in America which was based in the coastal communities of New England. It went into decline when oil was discovered
in 1859. Eventually it replaced whale
oil as a source of fuel and life.
Answer:
student_file = {}
endf_input = '1'
for x in iter(list, 1):
name = input("Enter a student name: ")
st_id = int(input("Enter a student id number: "))
student_file[name] = st_id
endf_input = input("Add more student to file (type 1 for yes and 0 to end): ")
if endf_input == '0':
break
print("Search for Student")
search = int(input("Enter student id: "))
if search == 0:
print("Sorry, no student with id of zero.")
quit()
for key, value in student_file.items():
if value == search:
print(f"Student name: {key}")
Explanation:
The program source code uses a for loop to continuously add data to the student file dictionary structure but breaks from the loop when a zero is received as input. The program enters search mode and returns the name of the student with the searched id number.
Answer:
1
Explanation:
Anything to the 0th power is 1. However, 0⁰ is undefined.
Answer:
The answer to this question is given below is the explanation section.
Explanation:
"A" option is correct
It helps the router know where to send the packet.
