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import argparse
AVAILABLE_COMMANDS_HELP_STRING = """Available commands:
row-at n: print row at the nth position
get-rows n: print first n rows
insert "csv string": insert row at the end, the row must have exactly 3 elements.
search "lookup": search "lookup" in the table.
"""
class ArgParser:
def __init__(self):
self.parser = argparse.ArgumentParser()
self.parser.add_argument('-f', required=True, help='CSV file location')
self.parser.add_argument('-c', required=True, help=AVAILABLE_COMMANDS_HELP_STRING, nargs=2)
self.args = self.parser.parse_args()
print(self.args)
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