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I have problem with this if.
I found I can use in in if-statement.
if "log" in sys.argv[1:]
Syntax Error
If you don't show us the code surrounding the if-statement, we cannot know for sure what the problem is. If I were to make a guess however, I'd say you're missing a colon:
if "log" in sys.argv[1:]:
See the documentation for compound statements (like ifs):
Each clause header begins with a uniquely identifying keyword and ends with a colon
Related
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text = "Today I went to the {1N}".format(1N="zoo")
Keyword arguments have to be a valid Python identifier, so not starting with a number.
You could pass a dictionary with the ** operator:
"Today I went to the {1N}".format(**{'1N':"zoo"})
but it's probably easier to use a valid identifier instead.
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When giving the function like this
Every parameters have default value.
def reverb(self,
reverberance=50,
hf_damping=50,
room_scale=100,
stereo_depth=100,
pre_delay=20,
wet_gain=0,
wet_only=False):
I want to set only reverberance parameter ,but it doesn't work
reverb("reverberance"=5)
How can I set specific value??
Quick and easy fix:
reverb(reverberance=5)
Because it's a variable, not a string, it doesn't need quotation marks.
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I've just started Python,
and everything I was doing was working well until I encountered syntax errors when there were apparently no problems :
def things():
answer = int(input()
if answer == 1:
print("wowie my friend")
and I get invalid syntax on the ":" after the if, I don't know why.
Thanks for helping me
Beware of the parenthesis ! Each open one must be closed. It's a common mistake, but always make sure to check you didn't forgot or put an extra one if you have an InvalidSyntaxError.
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I'm attempting to make a Dungeons and Dragons like game in Python, but I seem to have hit a wall. Whenever I run this code
file.write("Name:" (str(Char2)))
It returns
str object is not callable
You are using "file.write()" function. Inside parentheses you must put string. When you use "Name:" (str(Char2)) the Pythton see "Name:" as a function.
In other words, try this:
file.write("Name:{}".format(str(Char2)))
If you would like understand more see 6.1.3. Format String Syntax in this link: https://docs.python.org/3.4/library/string.html
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I am trying to use the newline character in a conditional statement.
The charater is in a list which was made from getting input using sys.stdin.readline(). Here's an example.
string=sys.stdin.readline()
input=list(string)
if (input[-1])=="/n":
print "ok"
Why doesn't this work? If you print the list you see that /n is the last element in the list.
It's '\n' not '/n'. The escape character is a backslash in most languages.