if else elif statements in Python

Conditional Statements in Python

if syntax in Python:
if <condition>:
    do something

if-else syntax in Python:
if <condition>:
    do something
else:
    do something else

if-elif-else syntax in Python:
"if" expression ":" suite
  ( "elif" expression ":" suite )*
  ["else" ":" suite]

IF condition:

    stmt;

    stmt;

  ...
ELIF condition:

    stmt;
  ...
ELSE:

  stmt;

  ...

if "Br" in "Brother":
if "@" not in email_address:
if (3 <= Time <= 5):
  print "Office Hour"

if n % 2 == 0 :
  if n >=2 and n <=5 :
      print "Not Weird"
elif n >=6 and n <=20 :
    print "Weird"
  elif n >20 :
    print "Not Weird"         
else:
  print "Weird"


assert statement in Python:
assert 'category' not in d.keys()
assert T.number_of_selfloops() == len(find_selfloop_nodes(T))
assert len(sys.argv) == 2, "need start year as the one and only parameter"



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