find a pattern in python string code example

Example 1: searching for a pattern in text with re python

import re
xx = "guru99,education is fun"
r1 = re.findall(r"^\w+",xx)
print(r1)

Example 2: pattern in python

rows = 6                        #Pattern(1,121,12321,1234321,123454321)
for i in range(1, rows + 1):
    for j in range(1, i - 1):
        print(j, end=" ")
    for j in range(i - 1, 0, -1):
        print(j, end=" ")
    print()