Python Web - L03(statement)
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x = 10
if x > 1: # x> 1 return True or Flase, x>1 is expression
print("x is greater than 1")
else:
print("x is less than 1")
print(1 == True) # 1 is True, 0 is False
print(0 == True)
x = (None or [] or {} or False) # falsy value
#print(x)
x = (None or [] or 1 or {} or False) # trusy value return 1, if 0, return false
#print(x)
x = (True and {"name":"john"} and [1] and False)
#print(x)
x = (True and [] and {"name":"john"} and [1] and False)
print(x) # print []
def z(x):
print("I am from function z.",x)
x = 10
if print("I am at if statement") or z(x) or x > 1: # x > 1 return True or False
print("x is greater than 1")
else:
print("x is less than 1")
default_city = "TST"
city = ''
city = (city or print("please input city") or default_city)
print(city) # print "please input city" and "TST" because city var. is False
default_city = "TST"
city = 'kn'
city = (city or print("please input city") or default_city)
print(city) # print 'kn'
value = ((1,) and [1] and 1 and 1.0)
print(value) # print "1.0"
x = 5
value = (x == 5 and x < 10) # == and < are logic operators. So, the result returns True or False
print(value) # print "True"
x = 10
if x > 125:
print("x is larger than 125")
elif x > 10:
print("x is larger than 10")
else:
print("x is less than or equal to 10")
if (-1):
print("x is larger than 125")
elif (-1):
print("x is larger than 10")
else:
print("x is less than or equal to 10")
Python
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