# deblank_tutor.py
# Walker M. White (wmw2)
# October 13, 2015
"""Recursive function to remove spaces

This function should be copied into the Python Tutor.  That way you can
see how recursion affects the call stack."""

# Function Definition
def deblank(s):
    """Returns: s without spaces (all other blanks left alone)"""
    if s == '':
        return s
    
    if s[0] == ' ':
        return deblank(s[1:])
    
    return s[0]+deblank(s[1:])

# Function Call
x = deblank(' a b c')