# String column formatter, formats a String into any width, breaking only on spaces 
# Author: Dan Fleck

def reformatString(inputStr, cols):
    strIndex = 0
    #for i in range(10000):
    while (True):
        # Exit the loop if the String is not long enough
        remainder = len(inputStr) - strIndex 

        if remainder < cols:
            break

        # Find the first instance of a space behind my strIndex
        strIndex = inputStr.rfind(' ', strIndex , strIndex+cols)

        if strIndex == -1:
            # We never found one
            return inputStr
        
        # Insert a newline there
        inputStr = inputStr[0:strIndex] + '\n' + inputStr[strIndex+1:]

    return inputStr

def main():
    print reformatString('Personal firewall software may warn about the connection IDLE makes to its subprocess using this computers internal loopback interface.  This connection is not visible on any external interface and no data is sent to or received from the Internet.', 40)

main()