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weight=0.0
weight=float(input("Enter a weight in kilograms:"))

else:
    if (weight >=5.0):
        print("Open Green gate.")
    elif(weight >=2.0):
        print("Open Red gate.")
    elif(weight <= 1.0):
        print("Open Yellow gate.")


What I have tried:

    else:
       ^
SyntaxError: invalid syntax
Posted
Updated 5-Feb-21 2:19am
v4
Comments
Richard MacCutchan 30-Jan-21 11:18am
   
You cannot have else without a preceding if statement.
Mr Bobcat 5-Feb-21 8:21am
   
And btw If user enters value between 2.0 and 1.0 this program will do nothing, address that range too.

Quote:
Hello can someone help me to solve this syntaxerror please ?

An "else:" is part of an "if: ... elif: ... else: ..." structure
Why so you have an "else" alone at this place ?
if no reason, just remove it.
[Update]
Quote:
IndentationError: unexpected indent

In Python, indentation matters, you can't indent for no reason, the "if" structure should be at same level as first line.
   
v2
Comments
beginner20060403 30-Jan-21 11:02am
   
File "<string>", line 4
if (weight >=5.0):
^
IndentationError: unexpected indent
>
when I delete the else it gives me this error
can you help me
Patrice T 30-Jan-21 11:07am
   
Use Improve question to update your question.
So that everyone can pay attention to this information.
OriginalGriff 30-Jan-21 11:39am
   
This one isn't willing to learn - check his other question. :sigh:
This is your code:
weight=0.0
weight=float(input("Enter a weight in kilograms:"))

else:
    if (weight >=5.0):
        print("Open Green gate.")
    elif(weight >=2.0):
        print("Open Red gate.")
    elif(weight <= 1.0):
        print("Open Yellow gate.")

You cannot write else without an "if" statement and there is no "if" statment before the first "else". Either write an "If" statement that does something or remove the "else" and just write it like this:

weight=0.0
weight=float(input("Enter a weight in kilograms:"))


if (weight >=5.0):
    print("Open Green gate.")
elif(weight >=2.0):
    print("Open Red gate.")
elif(weight <= 1.0):
    print("Open Yellow gate.")
   
Comments
Richard Deeming 5-Feb-21 8:57am
   
As Patrice already explained last week.

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