Why is __name__ == "__main__" not working?

I tried using "_" this but in this sample code: if __name__ == "__main__": The underscore is longer. How can I do this? I keep getting an error when I put "_"

I'm teaching myself to program in Python and don't understand why this code is failing my tests. Can anyone tell me what is wrong? """ >>> nlist[2][1] 0 >>> nlist[0][2] 17 >>> nlist[1][1] 4 """...

I'm just starting to pick up Python as my first language so go easy. The program basically allows you to navigate the basic directories on your OSX machine, find a .txt file, then search for a number of times something appears in that file. This was...

I got this from a Python tutorial, but he doesn't explain why, after         print(i, end=' '), there is another print().  The code works fine without the second print(), so why's it there? def main(): func() def func(): for i in range(10): print...

Hi, In a certain application i want to give the user the ability to watch the log file as it gets new line as if one would have been typing "tail -f logfile" on the server. so I got that example of `cat file` which when replacing `cat` with...

I have made a code to test a knapsack problem, I have taken input from a file where i get total no. of items and total capacity into the variables 'items' and capacity 'respectively'. values and weights are array storing the respective items value and...

if __name__ == '__main__':     pass When is the if statement true and when is it false? Please explain it simply.

Here is the problem statement: HackerRank def wrapper(): testcases=input() for i in range(testcases): a=list(map(lambda x:int(x), raw_input().split())) choco=a[0]/a[1] last=a[2] test(choco, last) def test(choco, last): p=choco+1 if choco==last...