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P. 146
Program 7: To print the table of 13 by using the while loop.
Program7.py
File Edit Format Run Options Window Help
a=13
x=1
Prime (Ver. 2.2)-VIII x+=1
while x<=10:
print(x*a)
13
26 Output
39
52
144 65
78
91
104
117
130
Let us see how the while loop work:
Step 1: Initialise the variable a with the value 13.
Step 2: Initialise the variable x with the value 1.
Step 3: While the value of x does not reach 10.
Step 4: Print the product of x and a for each iteration.
Step 5: Increment the value of x by 1.
If the test condition in while statement is false, the loop body will never execute.
Infinite Loop
If the condition given in a loop never becomes false, then the loop will never terminate and
run indefinitely. This type of loop is called an infinite loop.

