How to code a series of alternatives

[Scott F]

testvar = bob

# Trial A: This does not work
if testvar == ("fred" or "bob):
statements

# Trial B: This does work
if textvar == "fred" or textvar == "bob":
statements


Trial B is OK for 1 or 2 tests, but gets messy for 5 or 6. What is the
variation of Trial A that will work?


Scott

 

[John Burton]

testvar = bob

# Trial A: This does not work
if testvar == ("fred" or "bob):
statements

# Trial B: This does work
if textvar == "fred" or textvar == "bob":
statements


Trial B is OK for 1 or 2 tests, but gets messy for 5 or 6. What is the
variation of Trial A that will work?

if testvar in ["fred", "bob"]:
statements

 

[Aahz]

testvar = bob

# Trial A: This does not work
if testvar == ("fred" or "bob):
statements

# Trial B: This does work
if textvar == "fred" or textvar == "bob":
statements

Trial B is OK for 1 or 2 tests, but gets messy for 5 or 6. What is the
variation of Trial A that will work?

Simplest:

if testvar in ('fred', 'bob'):

Fastest:

options = sets.Set('fred', 'bob'):

...

if testvar in options:

 

[Scott F]

(e-mail address removed) (Aahz) wrote in

Simplest:

if testvar in ('fred', 'bob'):

Fastest:

options = sets.Set('fred', 'bob'):

...

if testvar in options:

Thank you. I'd be embarassed, but I'm only grateful.

Scott

 

[F. Petitjean]

testvar = bob

I suppose you mean : testvar = "bob"

# Trial A: This does not work
if testvar == ("fred" or "bob):
statements

How about this ?
if testvar in ("fred", bob"):
statements

# Trial B: This does work
if textvar == "fred" or textvar == "bob":
statements


Trial B is OK for 1 or 2 tests, but gets messy for 5 or 6. What is the
variation of Trial A that will work?

alternatives = ("one", "two", "three")
if alternative in alternatives:
# statements


Regards

 

[Paul Rubin]

testvar = bob

# Trial A: This does not work
if testvar == ("fred" or "bob):
statements

# Trial B: This does work
if textvar == "fred" or textvar == "bob":
statements

Trial B is OK for 1 or 2 tests, but gets messy for 5 or 6. What is the
variation of Trial A that will work?

if testvar in ("fred","bob"):
statements