7. What is the purpose of the line marked as "Line1" in the following code? E = {} fh = open('file1.txt') fh.readline() # Line1 for line1 in fh: line1 = line1.strip().split() char1 = line1[0] m =...

Python

Extracted text: 7. What is the purpose of the line marked as "Line1" in the following code? E = {} fh = open('file1.txt') fh.readline() # Line1 for line1 in fh: line1 = line1.strip().split() char1 = line1[0] m = int(line1[1]) if char1.isalpha(): if char1 in E: E[char1] += m else: E[char1] = m n Read all lines of the file1.txt at once Skip the first line of the file1.txt Verify all lines of the file1.txt are accessible. No purpose. None of the mentioned.