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CBSE Class 11 Computer Science Question 152 of 161

Flow of Control — Question 29

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29
Question

Question 24d

Write programs to print the following shapes:

*
* *
*   *
*     *
*   *
* *
*

Solution
n = 4 # number of row

#upper half
for i in range(1, n+1) :
    #while loop for * and spaces
    x = 1
    while x < 2 * i :
        if x == 1 or x == 2 * i - 1 :
            print('*', end = '')
        else :
            print(' ', end = '')
        x += 1
    print()

#lower half
for i in range(n-1, 0, -1) :
    #while loop for * and spaces
    x = 1
    while x < 2 * i :
        if x == 1 or x == 2 * i - 1 :
            print('*', end = '')
        else :
            print(' ', end = '')
        x += 1
    print()
Output
*
* *
*   *
*     *
*   *
* *
*
Answer