Issue
Say I get a random number between 1 and 127. I change the number to binary and remove the 0b
from it with the following code:
key_one= int(raw_input("Enter key (0 <= key <= 127): "))
if key_one in range(128):
bin_key_one=bin(key_one)[2:]
print bin_key_one
else:
print "You have to enter key (0 <= key <= 127)"
Now I want to make it 7-characters long by padding the beginning with zeros as necessary. I think I need to use a for loop, but can someone show me how to do it?
Solution
No you don't.
>>> '{0:07b}'.format(12)
'0001100'
Answered By - Ignacio Vazquez-Abrams
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