part 6.1 added

Author: antoniolopez7217

part6/1. Reading files/largest_number.py

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+# The file numbers.txt contains integer numbers, one number per line. 
+# The contents could look like this:
+
+# 2
+# 45
+# 108
+# 3
+# -10
+# 1100
+# ...etc...
+
+# Please write a function named largest, which reads the file and returns the largest number in the file.
+
+# Notice that the function does not take any arguments. The file you are working with is always named numbers.txt.
+
+# NB: If Visual Studio Code can't find the file and you have checked that there are no spelling errors, take a look at the instructions following this exercise.
+
+def largest():	
+	with open("numbers.txt") as new_file:
+		counter = 0
+
+		for line in new_file:
+			line = int(line.replace("\n", ""))
+			if line > counter:
+				counter = line
+	return counter