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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Matrix Script
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Matrix Script

  • Bavly_Zaher
     + 0 comments
    # Method 1 Create String from Columns Using 2 loops
import re
dimensions = list(map(int,input().split()))
r = dimensions[0]
c = dimensions[1]
Matrix = []
for _ in range(r):
    Matrix.append(list(input()))

S = ""
for i in range(c):
    for j in range(r):
        S += Matrix[j][i]

S = re.sub(r"(?<=\w)([!@#\$%\& ]+?)(?=\w)"," ",S)
print(S)

    # Method 2 Create String from Columns Using zip function
import re
dimensions = list(map(int,input().split()))
r = dimensions[0]
c = dimensions[1]
Matrix = []
for _ in range(r):
    Matrix.append(list(input()))
    
S = ""
for i in list(zip(*Matrix)):
    S += "".join(i)

S = re.sub(r"(?<=\w)([!@#\$%\& ]+?)(?=\w)"," ",S)
print(S)

    # Method 3 Create String from Columns Using numpy but not working in compiler because of ModuleNotFoundError
import re
import numpy
dimensions = list(map(int,input().split()))
r = dimensions[0]
c = dimensions[1]
Matrix = []
for _ in range(r):
    Matrix.append(list(input()))

S = ""
for i in numpy.transpose(numpy.array(Matrix)):
    S += "".join(i)

S = re.sub(r"(?<=\w)([!@#\$%\& ]+?)(?=\w)"," ",S)
print(S)