#twoDarray.py

import random
import math

num_rows = int(input("Enter number of rows: "))
num_columns = int(input("Enter number of columns: "))

cell_type = input("Cells * or digit? : ")
if cell_type == '*':
    density = float(input("Enter probability of a cell being occupied (0.0-1.0): "))

mat = []

for row_i in range(num_rows):
    mat.append([])
    for col_j in range(num_columns):
        if cell_type == '*':
            if random.random() <= density:
                mat[row_i].append('*')
            else:
                mat[row_i].append(' ')
        else:
            mat[row_i].append(random.randint(0,9))

for row in mat:
    for col in row:
        print(col, end="")
    print()