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018 Python codes : Answers to exercises

Exercise 1

  • Create a Python file in your work folder based on the example above and call it work/myFirstCode.py
  • Modify the code to achieve the following:
    • make a function called myFirstCode that prints out a greeting message
    • update the document strings in the file as appropriate
%%bash
# ANSWER : create the Python file with the code we want

# Instructions:
#
# Create a Python file in your work
# folder based on the example in geog0111/helloWorld.py
# and call it `work/myFirstCode.py`
#
# Modify the code to achieve the following:
# make a function called myFirstCode that prints out a greeting message
# update the document strings in the file as appropriate

# code between the next line and the 
# End Of File (EOF) marker will be saved in 
# to the file work/myFirstCode.py
cat << EOF > work/myFirstCode.py
#!/usr/bin/env python
# -*- coding: utf-8 -*- 

'''
myFirstCode

  function to print a greeting

'''
__author__    = "P Lewis"
__copyright__ = "Copyright 2020 P Lewis"
__license__   = "GPLv3"
__email__     = "p.lewis@ucl.ac.uk"

def myFirstCode():
    '''function to print a greeting'''
    print('hello from me')


# example calling the function    
def main():
    myFirstCode()

if __name__ == "__main__":
    # execute only if run as a script
    main()
EOF

# Chmod 755 to make the file executable
chmod 755 work/myFirstCode.py

# ANSWER
%run work/myFirstCode.py

hello from me
Last update: October 8, 2020