Read and write files (open (), write ())

 

 

from sys import argv
script, filename = argv
print(f"We're going to erase {filename}.")
print("If you don't want that, hit CTRL-C (^C)")
print("If you do want that, hit RETURN.")

input("?")

print("Opening the file......")

target = open(filename,"w")

print("Truncating the file . Goodbye！" )

target.truncate()

print("Now I'm going to ask you for three lines.")

line1 = input("line 1:")
line2 = input("line 2:")
line3 = input("line 3:")

print("I'm going to write these to the file.")

target.write(line1)
target.write("\n")
target.write(line2)
target.write("\n")
target.write(line3)
target.write("\n")

print("And finally ,we close it.")

target.close()