This is a very simple code for paterns of numbers.

paterns.py

'''
code forthe patern bellow :
1
12
123
1234
12345
'''

n = input("Enter the num : ")
for i in range(1,n+1):
      for j in range(1,i+1):
          print(j,end='')   # end is for not going to new line
      print()                 # blank print is for new line
      
      
'''
code for paterns bellow : 
54321
4321
321
21
1
'''

for i in range(n-1,0,-1 ):
    for j in range(i+1,1,-1):
        print(j,end='')
    print()
    
    
'''
for this patern bellow: 
1234
123
12
1
'''
for i in range(n,0,-1):
    for j in range(1,i+1):
        print(j,end='')
    print()