python unit-4
Unit-4 programs Program-1: Aim: Write a python program to sort words in a file and put them in another file. The output file should have only lowercase words, so any uppercase words from source must be lowered. Program: def sort_words(input_file,output_file): with open(input_file,'r') as file: words=file.read().split() words=sorted([word.lower() for word in words]) with open(output_file,'w') as file: file.write("\n".join(words)) input_file='input.txt' output_file='output.txt' sort_words(input_file,output_file) print(f"words sorted and saved to'{output_file}'") output: Program-2: Aim: Python program to print each line of a file in reverse order. Program: def reverse_lines(input_file): with open(input_file,'r')as file: lines=file.readlines() ...