title: Python3 Tkinter Text Widget INSERT on same line
body: <p>I have a <code>tkinter</code> app in <code>python3</code> with a Text widget that I insert text into.  I would like to append inserted text on the same line as the previous insert, like so:</p>
  
  <pre><code>from tkinter import *
  
  class App :
  
      def __init__(self):
          sys.stdout.write = self.print_redirect
  
          self.root = Tk()
          self.root.geometry("900x600")
  
          self.mainframe = Text(self.root, bg='black', fg='white')
          self.mainframe.grid(column=0, row=0, sticky=(N,W,E,S)) 
          # Set the frame background, font color, and size of the text window
          self.mainframe.grid(column=0, row=0, sticky=(N,W,E,S))
  
          print( 'Hello: ' )
  
          print( 'World!' )
  
      def print_redirect(self, inputStr):
          # add the text to the window widget
          self.mainframe.insert(END, inputStr, None)
          # automtically scroll to the end of the mainframe window
          self.mainframe.see(END)
  
  
  a = App()
  a.root.mainloop()
  </code></pre>
  
  <p>I would like the resulting insert in the mainframe text widget to look like <code>Hello: World!</code>  I'm having a hard time keeping the inserted text on the same line however.  Everytime I insert, a new line is generated.</p>
  
  <p>How can I keep the mainframe.insert input string on the same line without a line break?</p>