Script
#!/usr/local/bin/python3.7
print ("Enter the number of stars in the first line: ", end = "")
lines = int(input())
print("\n")
k = 2
m = 1
for i in range(1, lines):
for j in range (1, k):
print(end = " ")
k = k + 1
while m <= (2 * (lines - i) - 1):
print("*", end = "")
m = m + 1
m = 1
print()
Execution
Enter the number of stars in the first line: 25
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*************************************
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*********************************
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***************************
*************************
***********************
*********************
*******************
*****************
***************
*************
***********
*********
*******
*****
***
*
#!/usr/local/bin/python3.7
print ("Enter the number of stars in the first line: ", end = "")
lines = int(input())
print("\n")
k = 2
m = 1
for i in range(1, lines):
for j in range (1, k):
print(end = " ")
k = k + 1
while m <= (2 * (lines - i) - 1):
print("*", end = "")
m = m + 1
m = 1
print()
Execution
Enter the number of stars in the first line: 25
***********************************************
*********************************************
*******************************************
*****************************************
***************************************
*************************************
***********************************
*********************************
*******************************
*****************************
***************************
*************************
***********************
*********************
*******************
*****************
***************
*************
***********
*********
*******
*****
***
*
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