[python]star_별찍기

# 결과값
*
**
***
****
*****
--------
*
**
***
****
*****
--------
*****
****
***
**
*
--------
    *
   **
  ***
 ****
*****
--------
*****
 ****
  ***
   **
    *
--------
    *
   ***
  *****
 *******
*********

 

<방법1>

# 1
for i in range(5):
    for j in range(i + 1):
        print('*', end='')
    print()
    
print('--------')

for i in range(5):
    print('*'*(i+1))
    
print('--------')

# 2
for i in range(5):
    print('*'*(5-i))
    
print('--------')

# 3
for i in range(5):
    print(' '*(4-i) + '*' * (i+1))
print('--------')
    
# 4
for i in range(5):
    print(' '* (i) + '*' * (5-i))
print('--------')
  
# 5
for i in range(5):
    print(' '* (4-i) + '*' * (2*i+1))

 

<방법2>

# -*- coding: utf-8 -*-

# 1
print('\n'.join([''.join(['*' for i in range(i+1)]) for i in range(5)]))
print('------')

#2
print('\n'.join([''.join(['*' for i in range(5-i)]) for i in range(5)]))
print('------')

# 3
print('\n'.join([''.join([' ' for i in range(4-i)]+['*' for i in range(i+1)]) for i in range(5)]))
print('--------')

# 4
print('\n'.join([''.join([' ' for i in range(i)]+['*' for i in range(5-i)]) for i in range(5)]))
print('--------')

# 5
print('\n'.join([''.join([' ' for i in range(4-i)]+['*' for i in range(2*i+1)]) for i in range(5)]))