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import sys
if len(sys.argv) < 3:
print("Find the items that are in file1 and not in file2")
print(" Usage:")
print(" python diff.py <file1> <file2>")
exit(0)
f1 = sys.argv[1]
f2 = sys.argv[2]
f1_list = []
f1_fp = open(f1, "r")
f1_lines = f1_fp.readlines()
for line in f1_lines:
line1 = line.rstrip().lstrip()
f1_list.append(line1)
f2_list = []
f2_fp = open(f2, "r")
f2_lines = f2_fp.readlines()
for line in f2_lines:
line1 = line.rstrip().lstrip()
f2_list.append(line1)
diff = []
for i in f1_list:
present = False
for j in f2_list:
if i == j:
present = True
if not present:
diff.append(i)
print(i)
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