Check if argv exists python

# First, make sure that you import "sys"
import sys

# Next, run a simple conditonal statement to check if argv exists
if len(sys.argv) > 1:
    result = sys.argv[1]
else:
    result = False

# Finally, you can use the result from the above test and run further code accordingly
if result == False:
    print("argv DOES NOT exist!")
else:
  print("argv exists!")
  if result == "foo":
      # some code here, which executes when argv is "foo"
      print("Foo!")
  elif result == "bar":
      # some code here, which executes when argv is "bar"
      print("Bar")
  else:
      # some code here, which executes as the default, if the argument value is niether "foo", nor "bar"
      print("Baz")
      
# Happy coding, my homies <3

Similar codes

0 vote140 views1 answer
Python elementtree load from string
Python
0 vote178 views1 answer
Purpose of migration folder in django
Python
0 vote127 views1 answer
Fastest sorting algorithm java
Python
2 votes132 views1 answer
Add values to tuple python
Python
41 votes146 views5 answers
UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 92: character maps to <undefined>
Python
2 votes99 views1 answer
Executing shell commands in python
Python
1 vote125 views1 answer
Get a column that corresponds to the average of two columns pandas
Python
1 vote146 views1 answer
Get file name from url python
Python
0 vote141 views1 answer
Simple graph in matplotlib categorical variables
Python
49 votes141 views6 answers
Python measure time
Python