Adding 4 new programs

Author: pranavyatnalkar

camelCase-to-snake_case.py

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+name = input("Enter name of variable in camelCase: ")
+
+j = 0
+
+for char in name:
+    if char.isupper():
+        print("_" + char.lower(), end = "")
+    else:
+        print(char, end = "")

meal-of-the-day.py

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+def main():
+    x = convert(input("Enter time of the day [in hh:mm 24 hour format] : "))
+
+    if 7 <= x <= 8:
+        print("breakfast time")
+    elif 12 <= x <= 13:
+        print("lunch time")
+    elif 18 <= x <= 19:
+        print("dinner time")
+
+
+def convert(time):
+    hours, minutes = time.split(":")
+    hours = int(hours)
+    minutes = float(minutes)/60
+    return hours + minutes
+
+
+if __name__ == "__main__":
+    main()

remove-vowels.py

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+vowels = ['a', 'e', 'i', 'o', 'u']
+
+text = input("Enter some text: ")
+
+for char in text:
+    if(char.lower() in vowels):
+        continue
+    else:
+        print(char, end = '')

text-to-emoji.py

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+def main():
+    print(convert(input("Enter any text: ")))
+
+def convert(text):
+    return text.replace(":(", "🙁").replace(":)", "🙂")
+
+main()