So you have your basic stuff. You grite your conditional inside parenthesis followed by a colon, and then you write all the code you want the program to repeat till the condition is truth in the following line with an identation.
example:
x = int(input("give me a number"))
while(x!=0):
if(x>0):
print(x," is a positive number")
if(x<0):
print(x," is a negative number")
x=int(input("Change the number: ")
if(x==0):
print(x," is cero")
In this case the program wont stop (it wont get out of the loop) untill you tipe the number "0".
Again the Random númber program is a great exaple using the while loop.
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