The good/old control statements – if
if statement has 3 keywords only and a straightforward syntax:   if <cond-1>:       <stat-1>  elif <cond-2>:       <stat-2>  else:      <stat-n>   Conditions seem to be ending with ':'. 'else' is a condition also here – "otherwise". like default  of switch .    Letting the following equally work:   if x < 0: x = 0; print('Negative changed to zero') elif x == 0: print('Zero') elif x == 1: print('Single') else: print('More')   as well as   if x < 0:      x = 0      print('Negative changed to zero') elif x == 0:      print('Zero') elif x == 1:      print('Single') else:      print('More')   Note ';' as line separators between same-level/inner statements. So – `;` and line-separator seem to be  equivalent at such use (?) Mental note - see whether this is accurate, and can generalize this to th...