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Program 10. To find the sum of the first 10 natural numbers.
Program10.py Output
File Edit Format Run Options Window Help 55
sum=0
for i in range(0,11):
sum+=i
print(sum)
Program 11. To print the first five multiples of a number.
Program11.py Output
File Edit Format Run Options Window Help Enter a number: 7
num = int(input("Enter a number: ")) 7 x 1 = 7
for i in range(1, 6): 7 x 2 = 14
print(num, "x", i, "=", num * i) 7 x 3 = 21
7 x 4 = 28
7 x 5 = 35
WHILE LOOP IN PYTHON
A while loop repeats a set of instructions as long as a given condition is true. It checks the
condition before each repetition. If the condition is true, the loop executes; if it’s false, the loop
stops and the control moves to the statement outside the loop. It is often used when the number
of repetitions is not known in advance.
Syntax of while statement:
while <condition>:
Statement block to be repeated
Start
False
While condition To indent the code:
True Short key
Command Tab
Stop
Flow of Control in Python 117
