Write Xpath expressions for the XML code to get the following:

• the life expectancy of Afghan males in 1990
• the life expectancy of Albanian females in 2009
• the names of countries for whose 1990 male life expectancy is less than 50
• the male life expectancy (1990) of the countries where female life expectancy in (1990) is higher than 80.

XML:

42

44

47

46

48

50

44

46

48

65

68

72

71

73

75

68

70

73

66

68

71

69

71

74

67

69

72

74

76

79

81

83

85

77

80

82

38

44

51

45

48

53

42

46

52