How to print a rectangle shape thru multiplication signs in python?-CodePudding

long = int(input("longueur : "))
larg = int(input("largeur : "))
for i in range(larg):
    if i == 0 or i == larg - 1:
        for j in range(long):
            print("* ", end="")
        print()
    else:
        for j in range(long):
            if j == 0 or j == long - 1:
                print("* ", end="")
            else:
                print(end="  ")
        print()

I was trying to achieve a rectangle shape through symbols .

I started learning Python recently and I'm searching for a faster/cleaner way to do this .

the output requested is:

*  *  *  *
*        *
*  *  *  *

CodePudding user response：

Here is a clean and simple approach...

length = int(input("length: "))
width = int(input("width: "))

for i in range(length):
    print("*  " * width)

CodePudding user response：

Well, you could use multiply with your multiplication signs:

rows = 3
columns = 5

print(('* ' * columns   '\n') * rows, end = '')

Output:

* * * * *
* * * * *
* * * * *

If you want to print a hollow rectangle, it's a little more complicated as you need different rows in the middle. For example:

for r in range(rows):
    if r == 0 or r == rows - 1:
        print('* ' * columns)
    else:
        print('* '   '  ' * (columns - 2)   '* ')

Output:

* * * * *
*       *
* * * * *

CodePudding user response：

You can try the good old basic for loop

rows = 3
columns = 3


for i in range(rows):
    for j in range(columns):
        print('*', end='  ')
    print()

will give

*  *  *  
*  *  *  
*  *  *

as per your updated question for hollow

for i in range(1, rows   1):
    for j in range(1, columns   1):
        if i == 1 or i == rows or j == 1 or j == columns:
            print("*", end=" ")
        else:
            print(" ", end=" ")
    print()

will give

* * * 
*   * 
* * *

CodePudding user response：

You need to use a loop to iterate through each row. If the row is first or last then fill it with column * '*'. If the row is the middle one then add an '*', fill with appropriate spaces and finally add an '*'. Here's how you can do it:

long = int(input("longueur : "))
larg = int(input("largeur : "))

for i in range(long):
    if (i == 0) or (i == long - 1): # Checking if it is first or last row
        print('* ' * larg) # Printing entire row without gap
    else: # For middle rows
        print('* '   '  ' *(larg - 2)   '*') # Printing middle rows with gap in between.

Output:

longueur : 3
largeur : 4
* * * * 
*     * 
* * * * 

longueur : 4
largeur : 7
* * * * * * * 
*           * 
*           * 
* * * * * * *