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Program 4: To print a pattern using for loop.

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Program4.py Output
File Edit Format Run Options Window Help *
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for i in range (1,5):
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print("*"*i)
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Here, * operator repeats the string for a given number of times.

Program 5: To print multiplication table of number taken as input from user.

Program5.py

File Edit Format Run Options Window Help

#program to calculate multiplication table of a number
num= int(input('Enter a number: '))
for i in range (1, 11):
print (num, 'x',i,'=', num * i)

On running the above program, you will get the following output:

Output

Enter a number: 6
6 x 1 = 6
6 x 2 = 12
6 x 3 = 18
6 x 4 = 24
6 x 5 = 30
6 x 6 = 36
6 x 7 = 42
6 x 8 = 48
6 x 9 = 54
6 x 10 = 60

THE WHILE LOOP

The while loop executes a set of statements repeatedly, until the logical expression evaluates to false.
When the condition becomes false, the control comes out of the loop.

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