TypeError: TNavigator.forward() missing 1 required positional argument: ‘distance’

In python TypeError: TNavigator.forward() missing 1 required positional argument: ‘distance’ we face this error message when we forgot to type “( )” opening and closing round bracket for any class then the python interpreter shows this error message, If you want to fix this error you need to just add “( )” opening and closing round bracket for class in your code, For more clarification, see the below example.

Wrong Code

# Step 1 import the turtle and set up the background
import turtle
t = turtle.Turtle

for i in range(5):
    t.forward(100)
    t.left(72)


turtle.done()

Error Massage

Traceback (most recent call last):
  File "/home/kali/python/webproject/error/main.py", line 6, in <module>
    t.forward(100)
TypeError: TNavigator.forward() missing 1 required positional argument: 'distance'

Wrong code line

t = turtle.Turtle

Correct code line

t = turtle.Turtle()

• Improper action: No “( )” opening and closing round brackets.
• Correct action: Add “( )” opening and closing round brackets.

Entire Correct Code line

# Step 1 import the turtle and set up the background
import turtle
t = turtle.Turtle()

for i in range(5):
    t.forward(100)
    t.left(72)


turtle.done()

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