Indentation error basic program : <p>Hello I am beginner to python and am trying to learn, this is what i keep hitting when i execute the below code, where is the mistake</p>

<pre><code>#!/usr/bin/python

def main():
num1=input("Enter the 1st #\t\t")
print "First # is\t:", num1
print
num2=input("Enter the 2nd #\t\t")
print "Second # is\t:",num2
print
num3=input("Enter the 3rd #\t\t")
print "3rd #is:,\t",num3
if(num1&gt;num2) and (num1&gt;num3):
    print"Highest # is:\t",num1
elif(num2&gt;num3) and (num2 &gt;num1):
    print"Highest # is:\t",num2
else:
    print "The WINNER IS\n"
    print num3

main()
</code></pre>

<p>Error:</p>

<pre><code>python 1.py
File "1.py", line 4
num1=input("Enter the 1st #\t\t")
   ^
IndentationError: expected an indented block
</code></pre>

<p>Where is the indentation that i am missing?</p>
