MANDEEP YADAV

# Source code :- import random loweralphabets = [ 'a' , 'b' , 'c' , 'd' , 'e' , 'f' , 'g' , 'h' , 'i' , 'j' , 'k' ,                   'l' , 'm' , 'n' , 'o' , 'p' , 'q' , 'r' , 's' , 't' , 'u' , 'v' , 'w' , 'x' , 'y' , 'z' ] upperalphabets = [ 'A' , 'B' , 'C' , 'D' , 'E' , 'F' , 'G' , 'H' , 'I' , 'J' , 'K' ,                   'L' , 'M' , 'N' , 'O' , 'P' , 'Q' , 'R' , 'S' , 'T' , 'U' , 'V' , 'W' , 'X' , 'Y' , 'Z' ] numbers = [ '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , '8' , '9' ] specialchar = ...

 # Source Code :-  # Indian Railway Program import random serial = ['45487', '44656', '8468', '5621', '4545465', '8451', '2', '454154854', '81541', '8465', '4864651', '8454', '443513', '6543651', '6542',           '414565', '4578465', '46465764625', '46878645', '7874', '14512', '45464', '8456', '7854546', '8956132', '44542365', '45645132', '645412'] serial_random = random.choice(serial) train_name = ['Rajdhani', 'Delhi', 'City', 'Local', 'Metro',               'Kashmir', 'Indian', 'Chennai', 'Intercity', 'BadiGadi', 'Rault'] random_train = random.choice(train_name) fare = [50, 100, 150, 200, 175, 245, 485, 152, 300, 350,         500]                           # Credits :- Mandeep...